arrogant, assured, audacious, aweless, bold, cocksure, composed, confident, convinced, cool, courageous, dauntless, decided, determined, dreadless, fearless, hubristic, imperturbable, intrepid, overconfident, oversure, overweening, persuaded, poised, pompous, positive, proud, reassured, secure, self-assured, self-confident, self-important, self-reliant, sure, unapprehensive, unbashful, undaunted, undiffident, undoubting, unfaltering, unfearful, unfearing, unfrightened, unhesitating, unscared, unshy, unterrified, untimid, untimorous, unwavering, valiant, valorous