Authenticity

//ɑθɛnˈtɪsɪti// noun

Definitions

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

    "I hereby certify the authenticity of this copy."

  2. 2
    undisputed credibility wordnet
  3. 3
    The quality of being authentic (of established authority). obsolete, uncountable, usually

Etymology

From authentic + -ity.

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