bravado

boastfulness, bombast, braggadocio, strut, swagger, triumphalism, vaingloriousness, vainglory

arrogance, assumption, bumptiousness, consequence, haughtiness, hauteur, high horse, huffiness, imperiousness, loftiness, lordliness, masterfulness, peremptoriness, pomposity, pompousness, presumptuousness, pretense (or pretence), pretension, pretentiousness, self-consequence, self-importance, superciliousness, superiority, toploftiness

authoritativeness, bossiness, bowwow, brag, dominance, high-handedness

condescension, disdain, scorn

chest-thumping, inflation, self-assertion, side [chiefly British], snobbery, snobbishness, snobbism, snootiness

attitude, cheek, cheekiness, impertinence, impudence, sauciness

cockiness, complacence, conceit, egoism, egotism, pride, pridefulness, self-assumption, self-centeredness, self-complacency, self-conceit, self-content, self-contentment, self-opinion, self-partiality, self-satisfaction, smugness, swelled head, vanity

superiority complex