Synonyms and related words :
asphyxiate, bottle up, call down, censor, choke off, clamp down on, come down on, cork, cork up, crack down on, crush, damp down, dress down, drown, extinguish, gag, give it to, hold down, jump all over, keep down, keep under, kill, muzzle, pour water on, put down, quash, quell, quench, repress, shut down on, silence, sit down on, sit on, smash, smother, speak to, squash, squelch, stanch, stifle, strangle, stultify, subdue, suffocate, suppress, talk to, tell off, throttle, trim