See quench in Webster's New World Roget's A-Z Thesaurus II
verb
To cause to stop burning or giving light:
douse, extinguish, put out, snuff out. See continueTo hold (something requiring an outlet) in check:
burke, choke (back), gag, hold back, hold down, hush (up), muffle, repress, smother, squelch, stifle, strangle, suppress, throttle. (Informal) sit on (or upon). See restraintTo bring to an end forcibly as if by imposing a heavy weight:
choke off, crush, extinguish, put down, quash, quell, squash, squelch, suppress. Idiom: put the lid on. See continue, win
Learn more about quench