authentic
US /ɑːˈθen.t̬ɪk/
UK /ɑːˈθen.t̬ɪk/

1.
2.
affidabile, veritiero
based on facts; accurate or reliable
:
•
The report provides an authentic account of the events.
Il rapporto fornisce un resoconto autentico degli eventi.
•
Her emotions were authentic and deeply felt.
Le sue emozioni erano autentiche e profondamente sentite.