authenticity Meaning, Definition & Usage

  1. noun undisputed credibility
    legitimacy; genuineness.

WordNet


Au`then*tic"i*ty noun
Etymology
Cf. F. authenticité.
Definitions
  1. The quality of being authentic or of established authority for truth and correctness.
  2. Genuineness; the quality of being genuine or not corrupted from the original. ✍ In later writers, especially those on the evidences of Christianity, authenticity is often restricted in its use to the first of the above meanings, and distinguished from qenuineness.

Webster 1913