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.

AUTHENTICATE meaning: 1. to prove that something is real, true, or what people say it is: 2. to prove, especially using…. Learn more.

If you authenticate something, you prove or confirm that it is true. Unfortunately, the map that might have authenticated the tale was lost in Canada. [VERB noun] There have now been well authenticated …

AUTHENTICATE definition: to establish as genuine. See examples of authenticate used in a sentence.

Definition of authenticate verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Authenticate definition: To establish the authenticity of; prove genuine.

Dec 14, 2025 · authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated) (transitive) To render authentic; to give …

authenticate meaning, definition, what is authenticate: to prove that something is true or real: Learn more.

authenticate (ɔːˈθɛntɪˌkeɪt) vb (tr) 1. to establish as genuine or valid 2. to give authority or legal validity to

to establish the authorship or origin of conclusively or unquestionably, chiefly by the techniques of scholarship: to authenticate a painting. to make authoritative or valid.