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

OTHER WORDS FROM authenticate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for authenticatable

authenticate
/ (ɔːˈθɛntɪˌkeɪt) /

verb (tr)

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

Derived forms of authenticate

authentication, nounauthenticator, noun
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