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Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for authenticate in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)



authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated)

  1. To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
  2. To prove authentic; to determine as real and true
    He didn't manage to authenticate the portrait



authenticate (comparative more authenticate, superlative most authenticate)

  1. Synonym of authentic.