Verbs

(v)repress, quash, keep down, subdue, subjugate, reduceput down by force or intimidation“The government quashes any attempt of an uprising”, “China keeps down her dissidents very efficiently”, “The rich landowners subjugated the peasants working the land”
(v)repressimpede or hinder the natural development or self-expression of
(v)smother, stifle, strangle, muffle, represssuppress in order to conceal or hide“smother a yawn”, “muffle one's anger”, “strangle a laugh”, “repress a cry of fear”
(v)suppress, repressput out of one's consciousness
(v)repressblock the action of“the process of repressing gene transcription”