Synonyms of astounded

1 Syllable
shock, stun, daze
2 Syllables
stagger, dumbstruck, dumbfound, stunned, speechless, shocked, startle, aghast, confound
3 Syllables
overwhelm, surprise, astonish, stupefy, flabbergast, thunderstruck, bewilder, confuse, awestruck, tongue-tied, surprised, stupefied
4 Syllables
bewildered