dumbstruck (adj.)
- agape
- aghast
- agog
- amazed
- aphasic
- aphonic
- astonished
- astounded
- awed
- awestruck
- beguiled
- bewildered
- bewitched
- breathless
- captivated
- confounded
- dumb
- dumbfounded
- dumbstricken
- enchanted
- enraptured
- enthralled
- entranced
- fascinated
- flabbergasted
- gaping
- hypnotized
- inarticulate
- mesmerized
- mum
- mute
- open-eyed
- openmouthed
- popeyed
- puzzled
- speechless
- spellbound
- staring
- stupefied
- surprised
- thunderstruck
- tongue-tied
- tongueless
- voiceless
- wide-eyed
- wonder-struck
- wondering
- wordless