arrogance, assurance, assuredness, belief, brashness, brass, brazen boldness, certitude, cheek, chutzpah, cocksureness, confidence, confidentness, conviction, courage, faith, gall, heroics, hubris, improvidence, imprudence, impudence, indiscretion, injudiciousness, insolence, overboldness, overcarelessness, oversureness, overweening, overweeningness, poise, pomposity, positiveness, pride, rashness, security, self-assurance, self-confidence, self-importance, self-reliance, settled belief, subjective certainty, sureness, surety, temerariousness, temerity, trust, unchariness, unwariness