Synonyms and related words :
amaze, astonish, astound, awe, awestrike, bedaze, bedazzle, bewilder, boggle, bowl down, bowl over, choke, choke off, confound, confuse, daze, dazzle, dumbfounder, flabbergast, floor, gag, hush, hush-hush, muffle, muzzle, nonplus, overwhelm, paralyze, perplex, petrify, put to silence, quiet, quieten, shock, shush, shut down on, silence, soft-pedal, squash, squelch, stagger, startle, stifle, still, strike dead, strike dumb, strike with wonder, stun, stupefy, surprise, throttle