Open English Wordnet
Nouns
(n)silencethe state of being silent (as when no one is speaking)“there was a shocked silence”,
“he gestured for silence” (n)silence, quietthe absence of sound“he needed silence in order to sleep”,
“the street was quiet” (n)muteness, silencea refusal to speak when expected“his silence about my contribution was surprising” Verbs
(v)silencekeep from expression, for example by threats or pressure“All dissenters were silenced when the dictator assumed power”