Similar word to silence:
blackout, calm, censorship, dead air, death, dumbness, hush, hush-hush, inarticulateness, iron curtain, laconism, lull, muteness, noiselessness, peace, quiescence, quiet, quietness, quietude, quietus, reserve, reticence, saturninity, secrecy, sleep, speechlessness, still, stillness, sulk, sullenness, taciturnity, uncommunicativeness
blackout, calm, censorship, dead air, death, dumbness, hush, hush-hush, inarticulateness, iron curtain, laconism, lull, muteness, noiselessness, peace, quiescence, quiet, quietness, quietude, quietus, reserve, reticence, saturninity, secrecy, sleep, speechlessness, still, stillness, sulk, sullenness, taciturnity, uncommunicativeness