1. (n.) The quality or state of being serene; clearness and calmness; quietness; stillness; peace.

2. (n.) Calmness of mind; evenness of temper; undisturbed state; coolness; composure.

Buddha-like composure Oriental calm abnegation abstinence aplomb ataraxia ataraxy calm calm disposition calm of mind calmness composure conservatism constraint contemplation continence control cool coolheadedness coolness countenance dispassion easy mind evenness gentleness golden mean happy medium icy calm impartiality imperturbability imperturbation indisturbance judiciousness juste-milieu law and order lenity lucid stillness marmoreal repose meden agan mental composure middle way mildness moderateness moderation moderationism neutrality nirvana nonchalance nonviolence nothing in excess order orderliness pacifism peace peace and quiet peace of mind peaceableness peacefulness philosophic composure philosophicalness philosophy placidity placidness poise prudence quiescence quiescency quiet quiet life quiet mind quietism quietness quietude repose rest restfulness restraint sangfroid satori self-abnegation self-control self-denial self-possession self-restraint silence silken repose sleep slumber sobriety soothingness stability steadiness stillness temperance temperateness tranquillity unexcessiveness unexcitability unextravagance unextremeness unruffledness via media wise passiveness