authenticity
n. uncountablen. the quality of being real, true, or original rather than a copy. You use this to describe something that is exactly what it claims to be.
n. the quality of being genuine or undisputed in origin; the degree to which an individual's actions are congruent with their beliefs and personality despite external pressures.
The expert checked the painting for authenticity.
Travelers often seek out local restaurants that offer cultural authenticity rather than those designed for tourists.
In an era of digital manipulation, the authenticity of photographic evidence is no longer assumed, requiring forensic verification of metadata and pixel consistency.
From authentic + -ity.
Uncountable in its abstract sense; occasionally used with an indefinite article when referring to a specific type of genuine quality.