noun

authenticity

authenticity, genuineness

The authenticity of the painting was confirmed.

The authenticity of the painting was confirmed.

She speaks with authenticity and passion.

She speaks with authenticity and passion.

((of sth.)) the quality of being real or genuine The authenticity of the signature is questionable.

Synonyms: genuineness, validity, reality; Antonyms: falsity, inauthenticity

From Greek 'authentikos' (original, genuine), via Latin 'authenticus'. The suffix '-ity' forms a noun indicating a quality or condition.

Think of an 'authentic' author. 'Authenticity' is the quality of being that real, original source.

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