sereneness

1 a state of freedom from storm or disturbance the inviting sereneness of the secluded monastery Synonyms calmness, hush, peace, peacefulness, placidity, quiet, quietness, quietude, repose, restfulness, calm, serenity, still, stillness, tranquillity (or tranquility)Related Words lull, pause, respite; silence; mildness, soothingness; comity, concord, harmony; casualness, easygoingness, informality, laid-backness, relaxednessNear Antonyms clamor, din, noise, racketAntonyms bustle, commotion, hubbub, hurly-burly, pandemonium, tumult, turmoil, unquietness, unrest, uproar

2 freedom from disquieting or oppressive thoughts or emotions with the sereneness of someone who has not the slightest fear of rejection, he asked her to marry him Synonyms calm, calmness, heartsease, peacefulness, placidity, peace, serenity, tranquillity (or tranquility)Related Words content, contentment, ease; comfort, consolation, relief, solace; quiet, quietude, reposeNear Antonyms care, concern, perturbation; strain, stress, tenseness, tension; consternation, desperateness, desperation, discomfort, discomposure, dismay, distraction, distress, disturbance, edginess, jitters, jumpiness, nervousness; fear, fearfulness, torment, upset; doubt, dread, foreboding, incertitude, misgiving, presentiment, suspense, uncertaintyAntonyms agitation, alarm (also alarum), anguish, anxiety, anxiousness, apprehension, apprehensiveness, uneasiness, vexation, worry