noun
Faith
Self-assurance
A secret
confidence, in this comparison, implies belief in one's own abilities, or, esp. in the form self-confidence, reliance on one's own powers he has confidence he will succeed; shy and lacking in self-confidence; assurance, in this connection, suggests an even stronger belief in one's ability, but in an unfavorable sense, it may connote (as may, occasionally, confidence) conceited or arrogant self-sufficiency; self-possession suggests that presence of mind which results from the ability to control one's feelings and behavior; aplomb refers, usually in a favorable sense, to an evident assurance of manner manifesting self-possession she stood her ground with admirable aplomb See also syn. study at belief.
See confidence in American Heritage Dictionary 4 Synonyms
See confidence in Webster's New World Roget's A-Z Thesaurus II
Learn more about confidence