authenticity

plural authenticities

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

   I hereby certify the authenticity of this copy.

   3 more examples

   The authenticity of this painting is questionable.

   This is the dim path where […] a legitimate candidate of the working class will be hammered over and over in an authenticity battle with a campaign that weekly releases some “How do you do, fellow kids?” embarrassment and whose Instagram manager is a woman with her own HBO series.

   2016 February 2, Jeb Lund, “The Electability Spin Machine”, in Rolling Stone, New York, N.Y.: Penske Media Corporation, →ISSN, →OCLC, archived from the original on 20 Sep 2018

   Urban Dictionary records at least 66 of the terms found by the present research, but as this dictionary liberally accepts words, definitions, and sample sentences based solely on the say-so of contributors, in the absence of corroboration from other sources the authenticity of some entries must remain dubious.

   2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide, page 2

   Synonyms: genuineness

2. obsoleteuncountableusuallyThe quality of being authentic (of established authority).