adj .
sincere ; done or made in good faith ; authentic ; genuine 성실한 ; 선의를 가지고 하는 ; 믿을만한 ; 진실한

• The customer's million-dollar offer for the car turned out not to be bona fide ; it had not been made in good faith.
• The signature on the painting appeared to be bona fide ; it really did seem to be Van Gogh's.