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authenticate
verb
Synonyms
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.
corroborate suggests the strengthening of what is already partly established.
substantiate implies the offering of evidence that sustains the contention.
verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at.
authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.
validate implies establishing validity by authoritative affirmation or by factual proof.
Examples of authenticate in a Sentence
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'authenticate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
borrowed from Medieval Latin authenticātus, past participle of authenticāre "to stamp as genuine or authoritative," derivative of Latin authenticus "original (of documents)" — more at authentic
Note: Compare as a secondary source Middle French autentiquer "to guarantee that something conforms to a norm."
1613, in the meaning defined above
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Cite this Entry
“Authenticate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/authenticate. Accessed 31 Oct. 2024.
Kids Definition
authenticate
verbLegal Definition
authenticate
transitive verbMore from Merriam-Webster on authenticate
Nglish: Translation of authenticate for Spanish Speakers
Britannica English: Translation of authenticate for Arabic Speakers
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