The quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed.

The quality of being authentic; authenticity.

(archaic) Authentic.

(civil law) A collection of the Novels or New Constitutions of Justinian, by an anonymous author.

(transitive) To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.

Synonym of authentic.

(law) In the law of evidence, being a piece of evidence that will automatically be presumed authentic for purposes of admissibility based on the character of the evidence itself. Examples include certified copies of public or business records, official publications of government agencies, and newspaper articles.

(music, chiefly US) A cadence involving the resolution of the dominant chord (V) to the root chord (I).

plural of authentic cadence

A seal on paper appended to a specific artwork which is made to demonstrate that the item is authentic.