To verify is to confirm the accuracy or truth of something.
To show, feel, or express approval:
The definition of authenticate is to show or certify that something is not a copy of anything else.
To establish the soundness, accuracy, or legitimacy of:
To set up (a government, nation, business, etc.); found; institute
To show (oneself) to be what is specified or to have a certain characteristic:
To make firm; strengthen; establish; encourage
Demonstrate means to march or protest against something with a group.
To strengthen (a military force) with additional personnel or equipment.
Sustain is defined as to support something or to endure a trial or hardship.
To settle definitely and conclusively; make final:
To strengthen and secure (a position) with fortifications.
To resolve (a legal dispute) by agreement between the parties
To assure means to make a commitment or promise.
To make more certain the validity of; confirm; bolster; support
To excrete (body wastes).
To cause to move backward or in a reverse direction:
(Law) To show an adequate reason for something done
To make a statement based on personal knowledge in support of an asserted fact; bear witness:
To affirm or approve, usually after the fact.
(With relationship implied by context) To obtain (a pet) from a shelter or the wild.
To authorize or permit; countenance
The definition of affirmation is the act of confirming something to be true, or is a written or oral statement that confirms something is true.
To think (oneself) happy; congratulate (oneself)
To testify (to)
To recommend (a product), often in exchange for payment, as in an advertisement.
The definition of abrogate is defined as to end something, especially when some formal step is needed to end it.
To judicially declare something to be void either from the date of decree or ab initio.
To annul, terminate, or revoke a promise or obligation.
To speak in denial; oppose verbally
To prevent or delay (a legislative bill) from becoming law by exercising the power of veto.
To make invalid; deprive of legal force
To put to death; kill:
To refuse to accept as true or right; reject as unfounded, unreal, etc.
Repudiate is to refuse to have anything to do with or to reject in a public way.
To show to be true or real by giving evidence; prove; confirm
To make evident; indicate; show
To guarantee (a product).
Show is defined as to bring into view, teach, or display.
To make fixed, settled, or less subject to change:
To approve; adopt:
To verify; to make good; to substantiate; to establish; to sustain.
In a strong manner; greatly, severely, vigorously, etc.
(Informal, Dial.) To take legal action (against)
An action, declaration, document, or statement that corroborates, ratifies, verifies, gives formal approval, or assures the validity of something. See also advice and consent.
That which corroborates.
A formal investing as with an office, power, or authority, often with appropriate symbols or robes
To sanction officially; authorize.
To sign one’s own name next to one’s own or someone else’s to authenticate, reinforce, or verify the first signature.
To answer or discharge (a claim, debt, legal demand, etc.); to give compensation for.
To close or fasten with a seal:
To keep erect; to support; to sustain; to keep from falling; to maintain.
To warrant; to maintain by affirmations; to attest; to affirm; to avouch.
To position (something) so as to make it balanced, level, or square:
Find another word for confirm. In this page you can discover 87 synonyms, antonyms, idiomatic expressions, and related words for confirm, like: verify, approve, authenticate, validate, establish, make firm, strengthen, prove, confirm, corroboratory and demonstrate.