Synonyms of the word

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,…

change

• v. (intransitive) To become something different.
• v. (transitive, ergative) To make something into something different.
• v. (transitive) To replace.
• v. (intransitive) To replace one's clothing.
• v. (intransitive) To transfer to another vehicle (train, bus, etc.).
• v. (archaic) To exchange.
• v. (transitive) To change hand while riding (a horse).
• n. (countable) The process of becoming different.
• n. (uncountable) Small denominations of money given in exchange for a larger denomination.
• n. (countable) A replacement, e.g. a change of clothes.
• n. (uncountable) Money given back when a customer hands over more than the exact price of an item.
• n. (uncountable) Coins (as opposed to paper money).
• n. (countable) A transfer between vehicles.
• n. (baseball) A change-up pitch.
• n. (campanology) Any order in which a number of bells are struck, other than that of the diatonic scale.
• n. (dated) A place where merchants and others meet to transact business; an exchange.
• n. (Scotland, dated) A public house; an alehouse.

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.

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.

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…

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,…

replacement

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

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.