Synonyms and related words :
ataraxia, ataraxy, awful silence, calmness, composure, contemplation, dead, dead of night, deathlike silence, golden silence, hush, hush of night, imperturbability, inaudibility, lucid stillness, lull, marmoreal repose, mum, nirvana, noiselessness, peace, peacefulness, placidity, placidness, quiescence, quiescency, quiet, quietism, quietness, quietude, repose, rest, restfulness, satori, serenity, silence, silentness, silken repose, sleep, slumber, solemn silence, soundlessness, still, tacitness, taciturnity, tomblike silence, tranquillity, whisht, wise passiveness