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

1.
2.
fiable, véridique
based on facts; accurate or reliable
:
•
The report provides an authentic account of the events.
Le rapport fournit un compte rendu authentique des événements.
•
Her emotions were authentic and deeply felt.
Ses émotions étaient authentiques et profondément ressenties.