authenticate

[ aw-then-ti-keyt ]
/ ɔˈθɛn tɪˌkeɪt /

verb (used with object), au·then·ti·cat·ed, au·then·ti·cat·ing.

to establish as genuine.
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.

Origin of authenticate

1565–75; < Medieval Latin authenticātus made authentic (past participle of authenticāre). See authentic, -ate1

SYNONYMS FOR authenticate

1 confirm, validate, substantiate.

OTHER WORDS FROM authenticate

Words nearby authenticate

auteur theory, auth., auth. ver., authentic, authentical, authenticate, authenticator, authenticity, authigenic, author, author catalog

Words related to authenticating

attest, verify, validate, substantiate, corroborate, authorize, prove, certify, confirm, justify, vouch, endorse, accredit, warrant, guarantee

Example sentences from the Web for authenticating

British Dictionary definitions for authenticating

authenticate
/ (ɔːˈθɛntɪˌkeɪt) /

verb (tr)

to establish as genuine or valid
to give authority or legal validity to

Derived forms of authenticate

authentication, noun authenticator, noun