authenticate Meaning, Definition & Usage

  1. verb establish the authenticity of something

WordNet

Au*then"ti*cate transitive verb
Etymology
Cf. LL. authenticare.
Wordforms
imperfect & past participle Authenticated ; present participle & verbal noun Authenticating ()
Definitions
  1. To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
    The king serves only as a notary to authenticate the choice of judges. Burke.
  2. To prove authentic; to determine as real and true; as, to authenticate a portrait. Walpole.

Webster 1913