aplomb

1 evenness of emotions or temper you've handled a difficult situation with perfect aplomb Synonyms equanimity, calmness, collectedness, composedness, composure, cool, coolness, countenance, equilibrium, imperturbability, placidity, repose, sangfroid, self-composedness, self-possession, serenity, tranquillity (or tranquility), tranquilnessRelated Words assurance, confidence, poise, self-assurance, self-assuredness, self-confidence, self-trust; easygoingness, laid-backness; apathy, detachment, impassivity, indifference, insensibility, numbness, phlegm, unconcernNear Antonyms alarm (also alarum), anxiety, anxiousness, apprehension, apprehensiveness, care, concern, disquiet, solicitude, uneasiness, worry; excitability, excitableness, nervousness; disturbanceAntonyms agitation, discomposure, perturbation

2 great faith in oneself or one's abilities carried herself with the dignity and aplomb of a born leader Synonyms confidence, assurance, self-assurance, self-assuredness, self-confidence, self-esteem, self-trustRelated Words cockiness, complacence, complacency, conceit, conceitedness, ego, egoism, egotism, hubris, overconfidence, pomposity, pompousness, pride, pridefulness, self-admiration, self-applause, self-assumption, self-complacency, self-conceit, self-consequence, self-content, self-contentment, self-glorification, self-importance, self-opinion, self-partiality, self-satisfaction, smugness, vaingloriousness, vainglory, vanity; calmness, composure, coolness, equanimity; self-poise, self-possession; assumption, bumptiousness, haughtiness, hauteur, huffiness, imperiousness, loftiness, lordliness, peremptoriness, presumptuousness, pretentiousness, superciliousness, superiority, toploftinessNear Antonyms apprehension, doubt, misgivingAntonyms diffidence, insecurity, self-distrust, self-doubt