Meaning of “silence” - Learner’s Dictionary

silence

verb [ T ] uk us /ˈsaɪləns/
STOP SOUND

to stop something making a sound or stop someone from talking:

He silenced the alarm.
STOP CRITICISM

to stop people from criticizing you by giving a good argument to support your opinion:

He seems to have silenced his critics.

(Definition of “silence verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)