n. 1 firm trust (have confidence in his ability). 2 a a feeling of reliance or certainty. b a sense of self-reliance; boldness. 3 a something told confidentially. b the telling of private matters with mutual trust. confidence man a man who robs by means of a confidence trick. confidence trick (US game) a swindle in which the victim is persuaded to trust the swindler in some way. in confidence as a secret. in a person's confidence trusted with a person's secrets. take into one's confidence confide in.
[ ME f. L confidentia (as confide) ]