I. ˌ ̷ ̷ ̷ ̷ˈfīˌdēz, -fēˌdās noun
Etymology: Latin
: good faith
a claimant whose bona fides is unquestionable
: lack of deceit or fraud
the bona fides of a transaction
: sincerity
lays himself open to suspicion as to his bona fides and as to his knowledge by his remarks — F.W.Rolfe
II. ˈbōnə¦fīˌdēz, -ˌfīdz noun
1. : evidence of one's good faith or genuineness — usually plural in constr.
when the war ended … [his] bona fides were unambiguously established — E.J.Epstein
2. : evidence of one's qualifications or achievements — usually plural in constr.