Bona Fide
WordNet
adjective
(1) Not counterfeit or copied
"An authentic signature"
"A bona fide manuscript"
"An unquestionable antique"
"Photographs taken in a veritable bull ring"
(2) Undertaken in good faith
"A bona fide offer"
WiktionaryText
Etymology
From the which is the of (“good faith”).
Adjective
- Done in good faith.
- Although he failed, the prime minister made a bona fide attempt to repair the nation's damaged economy.
- Genuine; not counterfeit.
- This is a bona fide Roman coin.
- 2000: O Brother Where Art Thou? (movie),
- Ulysses Everett McGill: I am the only daddy you got! I'm the damn paterfamilias!
- Wharvey Gal: But you ain't bona fide!