validate

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verb

Definition of VALIDATE

1

to give evidence or testimony to the truth or factualness of <a witness independently validated the policeman's version of events>

Synonyms argue, attest, authenticate, bear out, certify, corroborate, substantiate, support, validate, verify, vindicate

Related Words avouch, back (up), testify (to), vouch (for), witness; guarantee, warrant; affirm, assert, aver, avow, declare, profess; demonstrate, document, establish, prove, reinforce (also reenforce)

Near Antonyms contradict, gainsay; deny, disavow, disclaim; challenge, contest, dispute, question

Antonyms disprove, rebut, refute

2

to show the existence or truth of by evidence <the booming economy in and of itself validated the soundness of the government's economic policies>

Synonyms demonstrate, document, establish, substantiate, validate

Related Words back (up), buttress, circumstantiate, corroborate; evidence, evince, record, support, uphold, witness; adduce, attest, authenticate, certify, identify; confirm, sustain, verify, vouch; clinch, nail, settle; confess, depose, testify

Near Antonyms challenge, dispute, object; allege, assume, conjecture, guess, presume, surmise, suspect

Antonyms disprove, rebut, refute