▪ feeling or showing certainty about something:"this time they're confident of a happy ending"Similaroptimistichopefulsanguinesurecertainpositiveconvincedin no doubtunshakeable in one's beliefsecure in one's beliefeasy in one's mindsatisfiedassuredpersuadedhave no doubtnot questionhold the unwavering view
noun
1. a confidant.archaic
Word Originlate 16th century: from French confident(e), from Italian confidente, from Latin confident- ‘having full trust’, from the verb confidere, from con- (expressing intensive force) + fidere ‘trust’.