confidence unconcern assurance composure nonchalance serenity belief calm calmness certainty ease faith inapprehension misunderstanding peace trust poise equanimity coolness collectedness aplomb imperturbability cool tranquillity sangfroid placidity equilibrium countenance tranquility repose composedness indifference apathy control insouciance dignity disinterestedness detachment disregard impassivity dispassion phlegm stability casualness fortitude torpor complacence balance incuriosity dispassionateness placidness incuriousness steadiness disinterest carelessness coolheadedness sedateness sobriety airiness ataraxy remoteness aloofness impassiveness passivity inexcitability reserve stolidity happiness contentment sureness peacefulness conviction certitude surety security pleasure comfort contentedness quiet relaxation bravery harmony solace relief joy encouragement stillness quietness restfulness courage sereneness consolation order beauty reassurance quietude delight boldness satisfaction knowledge