1. 真实的；真正的；名副其实的
If something or someone is bona fide, they are genuine or real.

1. not counterfeit or copied

e.g. an authentic signature
a bona fide manuscript
an unquestionable antique
photographs taken in a veritable bull ring

Synonym: authenticunquestionableveritable

2. undertaken in good faith

e.g. a bona fide offer