authenticity
Pronunciation:
/ɑθənˈtɪsɪti/noun
Definitions
The quality of being genuine or not corrupted from the original.
Example: I hereby certify the authenticity of this copy.
Truthfulness of origins, attributions, commitments, sincerity, and intentions.
Example: The authenticity of this painting is questionable.
The quality of being authentic (of established authority).