(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)suppress, stamp down, subdue, conquerbring under control by force or authority“suppress a nascent uprising”, “stamp down on littering”, “conquer one's desires”