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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
- To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
- To prove authentic; to determine as real and true
- He didn't manage to authenticate the portrait
- Synonym of .