confidence

n. 1 firm trust. 2 a feeling of reliance or certainty. B sense of self-reliance; boldness. 3 something told as a secret.  in confidence as a secret. In a person's confidence trusted with a person's secrets. Take into one's confidence confide in. [latin: related to *confide]

n. The act of confiding, trusting, or putting faith in; trust; reliance; belief; -- formerly followed by of, now commonly by in.