Synonyms of the word

ensure

• v. (transitive) To make a pledge to (someone); to promise, guarantee (someone of something); to assure.
• v. (intransitive) To make sure or certain of something (usually some future event or condition).

ascertain

• v. To find out definitely; to discover or establish.
• v. (archaic) To make (someone) certain or confident.

assure

• v. (transitive) To make sure and secure.
• v. (transitive, followed by that or of) To give (someone) confidence in the trustworthiness of (something).
• v. (obsolete) To guarantee, promise (to do something).
• v. To reassure.

check

• n. (chess) A situation in which the king is directly threatened by an opposing piece.
• n. An inspection or examination.
• n. A control; a limit or stop.
• n. (US) A mark (especially a checkmark: ✓) used as an indicator, equivalent to a tick (UK).
• n. (US) An order to a bank to pay money to a named person or entity; a cheque (UK, Canada).
• n. (US) A bill, particularly in a restaurant.
• n. (contact sports) A maneuver performed by a player to take another player out of the play.
• n. A token used instead of cash in gaming machines.
• n. A lengthwise separation through the growth rings in wood.
• n. A mark, certificate, or token, by which, errors may be prevented, or a thing or person may be identified.
• n. (falconry) The forsaking by a hawk of its proper game to follow other birds.
• n. A small chink or crack.
• v. To inspect; to examine.
• v. To verify the accuracy of a text or translation, usually making some corrections (proofread) or many (copyedit).
• v. (US, often used with "off") To mark items on a list (with a checkmark or by crossing them out) that have…
• v. To control, limit, or halt.
• v. To verify or compare with a source of information.
• v. To leave in safekeeping.
• v. To leave with a shipping agent for shipping.
• v. (street basketball) To pass or bounce the ball to an opponent from behind the three-point line and have…
• v. (contact sports) To hit another player with one's body.
• v. (poker) To remain in a hand without betting. Only legal if no one has yet bet.
• v. (chess) To make a move which puts an adversary's piece, especially the king, in check; to put in check.
• v. To chide, rebuke, or reprove.
• v. (nautical) To slack or ease off, as a brace which is too stiffly extended.
• v. To crack or gape open, as wood in drying; or to crack in small checks, as varnish, paint, etc.
• v. To make checks or chinks in; to cause to crack.
• v. To make a stop; to pause; with at.
• v. (obsolete) To clash or interfere.
• v. To act as a curb or restraint.
• v. (falconry) To turn, when in pursuit of proper game, and fly after other birds.
• n. (textiles, usually pluralized) A pattern made up of a grid of squares of alternating colors; a checkered…

control

• v. (transitive) To exercise influence over; to suggest or dictate the behavior of.
• v. (transitive, statistics) (construed with for) To design (an experiment) so that the effects of one or…
• n. (countable, uncountable) Influence or authority over something.
• n. A separate group or subject in an experiment against which the results are compared where the primary…
• n. The method and means of governing the performance of any apparatus, machine or system, such as a lever,…
• n. Restraint or ability to contain one's movements or emotions, or self-control.
• n. A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities;…
• n. (project management) A means of monitoring for, and triggering intervention in, activities that are not…
• n. A duplicate book, register, or account, kept to correct or check another account or register.
• n. (graphical user interface) An interface element that a computer user interacts with, such as a window…
• n. (climatology) Any of the physical factors determining the climate of a place, such as latitude, distribution…
• n. (linguistics) A construction in which the understood subject of a given predicate is determined by an…

guarantee

• n. Anything that assures a certain outcome.
• n. A legal assurance of something, e.g. a security for the fulfillment of an obligation.
• n. More specifically, a written declaration that a certain product will be fit for a purpose and work correctly;…
• n. The person to whom a guarantee is made.
• n. (colloquial) A person who gives such a guarantee; a guarantor.
• v. To give an assurance that something will be done right.
• v. To assume responsibility for a debt or other obligation.
• v. To make something certain.

insure

• v. (transitive) To provide for compensation if some specified risk occurs. Often agreed by policy (contract)…
• v. (intransitive) To deal in such contracts; subscribe to a policy of insurance.
• v. (chiefly US, transitive) Alternative spelling of ensure; to make sure or certain of; guarantee.

secure

• adj. Free from attack or danger; protected.
• adj. Free from the danger of theft; safe.
• adj. Free from the risk of eavesdropping, interception or discovery; secret.
• adj. Free from anxiety or doubt; unafraid.
• adj. Firm and not likely to fail; stable.
• adj. Free from the risk of financial loss; reliable.
• adj. Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly…
• adj. Overconfident; incautious; careless.
• v. To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect.
• v. To put beyond hazard of losing or of not receiving; to make certain; to assure; frequently with against…
• v. To make fast; to close or confine effectually; to render incapable of getting loose or escaping.
• v. To get possession of; to make oneself secure of; to acquire certainly.

see

• v. (stative) To perceive or detect with the eyes, or as if by sight.
• v. To form a mental picture of.
• v. (social) To meet, to visit.
• v. (by extension) To ensure that something happens, especially while witnessing it.
• v. (gambling) To respond to another player's bet with a bet of equal value.
• v. (sometimes mystical) To foresee, predict, or prophesy.
• v. To determine by trial or experiment; to find out (if or whether).
• v. (used in the imperative) Used to emphasise a proposition.
• v. (used in the imperative) To reference or to study for further details.
• n. A diocese, archdiocese; a region of a church, generally headed by a bishop, especially an archbishop.
• n. The office of a bishop or archbishop; bishopric or archbishopric.
• n. A seat; a site; a place where sovereign power is exercised.

verify

• v. (transitive) To substantiate or prove the truth of something.
• v. (transitive) To confirm or test the truth or accuracy of something.
• v. (transitive, law) To affirm something formally, under oath.