Thesaurus

authenticate

verb

Synonyms and Antonyms of authenticate

1 to declare (something) to be true or genuine

a jeweler authenticated the diamond as real

Synonyms of authenticate

attest, avouch, certify, testify (to), vouch (for), witness

Words Related to authenticate

guarantee, warrant

affirm, assert, aver, avow, profess, vow

2 to give evidence or testimony to the truth or factualness of

we require more than simply your word to authenticate this story

Synonyms of authenticate

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

Words Related to authenticate

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 of authenticate

contradict, gainsay

deny, disavow, disclaim

challenge, contest, dispute, question

Antonyms of authenticate

disprove, rebut, refute

Synonym Discussion of authenticate

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact.

- confirmed the reports

corroborate suggests the strengthening of what is already partly established.

- witnesses corroborated his story

substantiate implies the offering of evidence that sustains the contention.

- the claims have yet to be substantiated

verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at.

- all statements of fact in the article have been verified

authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

- handwriting experts authenticated the diaries

validate implies establishing validity by authoritative affirmation or by factual proof.

- validated the hypothesis by experiments

Learn More about authenticate

See words that rhyme with authenticate Dictionary: Definition of authenticate Spanish Central: Translation of authenticate Nglish: Translation of authenticate for Spanish speakers Britannica English: Translation of authenticate for Arabic speakers

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