authentic

Definitions of authentic in various dictionaries:

adj - conforming to fact and therefore worthy of belief

adj - not counterfeit or copied

Conforming to fact and therefore worthy of trust, reliance, or belief: an authentic account by an eyewitness.

Having a claimed and verifiable origin or authorship; not counterfeit or copied: an authentic medieval sword.

Executed with due process: an authentic deed.

Music.

Of, relating to, or being a medieval mode having a range from its final tone to the octave above it.

Of, relating to, or being a cadence with the dominant chord immediately preceding the tonic chord.

The central meaning shared by these adj ectives is “not counterfeit or copied”: an authentic painting by Corot; a bona fide transfer of property; genuine crabmeat; a real diamond; true courage; undoubted evidence; an unquestionable antique.