Synonyms of the word

replacement

• n. A person or thing that takes the place of another; a substitute.
• n. The act of replacing something.

alternate

• adj. Being or succeeding by turns; one following the other in succession of time or place; by turns first one…
• adj. (mathematics) Designating the members in a series, which regularly intervene between the members of another…
• adj. (US) Other; alternative.
• adj. (botany) Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects…
• n. That which alternates with something else; vicissitude.
• n. (US) A substitute; an alternative; one designated to take the place of another, if necessary, in performing…
• n. (mathematics) A proportion derived from another proportion by interchanging the means.
• n. (US) A replacement of equal or greater value or function.
• n. (heraldry) Figures or tinctures that succeed each other by turns.
• v. (transitive) To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.
• v. (intransitive) To happen, succeed, or act by turns; to follow reciprocally in place or time; followed…
• v. (intransitive) To vary by turns.
• v. (transitive, geometry) To perform an alternation (removal of alternate vertices) on (a polytope or tessellation);…

backup

• n. A reserve or substitute.
• n. (computing) A copy of a file or record, stored separately from the original, that can be used to recover…
• n. An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement…
• n. (law enforcement) reinforcements.
• adj. Standby, reserve or extra.
• adj. (computing) That is intended as a backup.
• v. Misspelling of back up.

commutation

• n. (obsolete) A passing from one state to another; change; alteration; mutation.
• n. (obsolete) The act of giving one thing for another; barter; exchange.
• n. (formal or archaic) Substitution of one thing for another; interchange.
• n. Specifically, the substitution of one kind of payment for another, especially a switch to monetary payment…
• n. (law) The change to a lesser penalty or punishment by the State.
• n. (linguistics) Substitution, as a means of discriminating between phonemes.
• n. (electronics) The reversal of an electric current.

compeer

• n. (obsolete) the equal or peer of someone else; someone who is a close companion or associate of someone…
• v. To be equal with; to match.

equal

• adj. (not comparable) The same in all respects.
• adj. (mathematics, not comparable) Exactly identical, having the same value.
• adj. (obsolete) Fair, impartial.
• adj. (comparable) Adequate; sufficiently capable or qualified.
• adj. (obsolete) Not variable; equable; uniform; even.
• adj. (music) Intended for voices of one kind only, either all male or all female; not mixed.
• v. (mathematics) To be equal to, to have the same value as; to correspond to.
• v. To be equivalent to; to match.
• v. (informal) To have as its consequence.
• n. A person or thing of equal status to others.
• n. (obsolete) State of being equal; equality.

equivalent

• adj. Similar or identical in value, meaning or effect; virtually equal.
• adj. (mathematics) Of two sets, having a one-to-one correspondence; equinumerous.
• adj. (mathematics) Relating to the corresponding elements of an equivalence relation.
• adj. (chemistry) Having the equal ability to combine.
• adj. (cartography) Of a map, equal-area.
• adj. (geometry) Equal in measure but not admitting of superposition; applied to magnitudes.
• n. Anything that is virtually equal to something else, or has the same value, force, etc.
• n. (chemistry) An equivalent weight.
• v. (transitive) To make equivalent to; to equal.

exchange

• n. An act of exchanging or trading.
• n. A place for conducting trading.
• n. A telephone exchange.
• n. (telephony, US only?) The fourth through sixth digits of a ten-digit phone number (the first three before…
• n. A conversation.
• n. (chess) The loss of one piece and associated capture of another.
• n. (obsolete) The thing given or received in return; especially, a publication exchanged for another.
• n. (biochemistry) The transfer of substances or elements like gas, amino-acids, ions etc. sometimes through…
• v. (transitive) To trade or barter.
• v. (transitive) To replace with, as a substitute.

fill-in

• n. A temporary replacement for another.

filling

• adj. Of food, that satisfies the appetite by filling the stomach.
• n. Anything that is used to fill something.
• n. The contents of a pie, etc.
• n. (dentistry) Any material used to fill a cavity in a tooth or the result of using such material.
• n. The woof in woven fabrics.
• n. Prepared wort added to ale to cleanse it.
• v. present participle of fill.

fluctuation

• n. A motion like that of waves; a moving in this and that direction.
• n. A wavering; unsteadiness.
• n. In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in…

match

• n. (sports) A competitive sporting event such as a boxing meet, a baseball game, or a cricket match.
• n. Any contest or trial of strength or skill, or to determine superiority.
• n. Someone with a measure of an attribute equaling or exceeding the object of comparison.
• n. A marriage.
• n. A candidate for matrimony; one to be gained in marriage.
• n. Suitability.
• n. Equivalence; a state of correspondence.
• n. Equality of conditions in contest or competition.
• n. A pair of items or entities with mutually suitable characteristics.
• n. An agreement or compact.
• n. (metalworking) A perforated board, block of plaster, hardened sand, etc., in which a pattern is partly…
• v. (intransitive) To agree, to be equal, to correspond to.
• v. (transitive) To agree, to be equal, to correspond to.
• v. (transitive) To make a successful match or pairing.
• v. (transitive) To equal or exceed in achievement.
• v. (obsolete) To unite in marriage, to mate.
• v. To fit together, or make suitable for fitting together; specifically, to furnish with a tongue and groove…
• n. A device made of wood or paper, at the tip coated with chemicals that ignite with the friction of being…

peer

• v. (intransitive) To look with difficulty, or as if searching for something.
• v. To come in sight; to appear.
• n. Somebody who is, or something that is, at a level equal (to that of something else).
• n. Someone who is approximately the same age (as someone else).
• n. A noble with a hereditary title, i.e., a peerage, and in times past, with certain rights and privileges…
• n. A comrade; a companion; an associate.
• v. To make equal in rank.
• v. (Internet) To carry communications traffic terminating on one's own network on an equivalency basis to…
• n. Someone who pees, someone who urinates.

permutation

• n. One of the ways something exists, or the ways a set of objects can be ordered.
• n. (mathematics) A one-to-one mapping from a finite set to itself.
• n. (mathematics, combinatorics) An ordering of a finite set of distinct elements.
• n. (music) A transformation of a set's prime form, by applying one or more of certain operations, specifically,…

refilling

• v. present participle of refill.
• n. The act of filling again; a refill.

relief

• n. The removal of stress or discomfort.
• n. The feeling associated with the removal of stress or discomfort.
• n. The person who takes over a shift for another.
• n. Aid or assistance offered in time of need.
• n. (law) Court-ordered compensation, aid, or protection, a redress.
• n. A lowering of a tax through special provisions; short for tax relief.
• n. A type of sculpture or other artwork in which shapes or figures protrude from a flat background.
• n. The apparent difference in elevation in the surface of a painting or drawing made noticeable by a variation…
• n. The difference of elevations on a surface.
• adj. (of a surface) Characterized by surface inequalities.
• adj. Of or used in letterpress.

reliever

• n. (baseball) A relief pitcher.
• n. Someone who fills in for another.

renewal

• n. The act of renewing.
• n. (fencing) An offensive action made immediately after a parried one.

replacing

• v. present participle of replace.

replenishment

• n. The act of replenishing.
• n. A new supply of something.

stand-in

• n. A person of similar size and shape to an actor that "stands-in" for the actor during the lengthy process…
• n. A substitute.

substitute

• v. (transitive) To use in place of something else, with the same function.
• v. (transitive) In the phrase "substitute X with/by Y", to use Y in place of X; to replace X with Y.
• v. (transitive, sports) To remove (a player) from the field of play and bring on another in his place.
• v. (intransitive) To serve as a replacement (for someone or something).
• n. A replacement or stand-in for something that achieves a similar result or purpose.
• n. (sports) A player who is available to replace another if the need arises, and who may or may not actually…
• n. (historical) One who enlists for military service in the place of a conscript.

substitution

• n. the act of substituting or the state of being substituted.
• n. a substitute or replacement.
• n. (chemistry) (especially in organic chemistry) the replacement of an atom, or group of atoms, in a compound,…

successor

• n. A person or thing that immediately follows another in holding an office or title.
• n. The next heir in order or succession.
• n. A person who inherits a title or office.
• n. (arithmetic, set theory) The integer, ordinal number or cardinal number immediately following another.

surrogate

• n. A substitute (usually of a person, position or role).
• n. A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate…
• n. (chiefly Britain) A deputy for a bishop in granting licences for marriage.
• n. (US law): A judicial officer of limited jurisdiction, who administers matters of probate and interstate…
• n. A surrogate or surrogate key is a unique identifier for either an entity in the modeled world or an object…
• n. (computing) Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters…
• adj. Of, concerning, relating to or acting as a substitute.
• v. (transitive) To replace or substitute something with something else; appoint a successor.

switch

• n. A device to turn electric current on and off or direct its flow.
• n. A change.
• n. (rail transport, US) A movable section of railroad track which allows the train to be directed down one…
• n. A slender woody plant stem used as a whip; a thin, flexible rod, associated with corporal punishment in…
• n. (computer science) A command line notation allowing specification of optional behavior.
• n. (computing, programming) A programming construct that takes different actions depending on the value of…
• n. (computing, networking) A networking device connecting multiple wires, allowing them to communicate simultaneously,…
• n. (telecommunications) A system of specialized relays, computer hardware, or other equipment which allows…
• n. (BDSM) One who is willing to take either a sadistic or a masochistic role.
• n. A separate mass or tress of hair, or of some substance (such as jute) made to resemble hair, formerly…
• v. (transitive) To exchange.
• v. (transitive) To change (something) to the specified state using a switch.
• v. (transitive) To whip or hit with a switch.
• v. (intransitive) To change places, tasks, etc.
• v. (slang, intransitive) To get angry suddenly; to quickly or unreasonably become enraged.
• v. To swing or whisk.
• v. To be swung or whisked.
• v. To trim.
• v. To turn from one railway track to another; to transfer by a switch; generally with off, from, etc.
• v. (ecclesiastical) To shift to another circuit.
• adj. (snowboarding) riding with the front and back feet swapped round compared to one's normal position.

transposition

• n. The act or process of transposing or interchanging.
• n. (music) A shift of a piece of music to a different musical key by adjusting all the notes of the work…
• n. (chess) A sequence of moves resulting in a position that may also be reached by another, more common sequence.

variation

• n. The act of varying; a partial change in the form, position, state, or qualities of a thing.
• n. A related but distinct thing.
• n. (nautical) The angular difference at the vessel between the direction of true north and magnetic north…
• n. (board games) A line of play that differs from the original.
• n. (music) A technique where material is repeated with alterations to the melody, harmony, rhythm, timbre,…
• n. (genetics) The modification of a hereditary trait.