Bona fide is defined as real or done honestly.(adjective)
An example of bona fide used as an adjective is in the phrase "a bona fide artifact from the Civil War," which means a real artifact from the Civil War.
See bona fide in Webster's New World College Dictionary
See bona fide in American Heritage Dictionary 4
Origin: Latin bonā fidē
Origin: : bonā
Origin: , feminine ablative of bonus, good
Origin: + fidē
Origin: , ablative of fidēs, faith.
Learn more about bona fide