28 synonyms for stun such as astound, daze, amaze, and astonish. Stun is a verb, and its antonyms are awaken and comfort.
Daze, knock for six, knock out, knock senseless, knock unconscious, lay out, and stupefy.
Amaze, astonish, astound, blow away, bowl over, confound, dumbfound, flabbergast, floor, hit like a ton of bricks, knock for six, knock sideways, overwhelm, shake up, shock, stagger, startle, stupefy, take aback, and take someone's breath away.