thunderstruck (adj.)
- agape
- aghast
- agog
- amazed
- astonished
- astounded
- awed
- awestruck
- beguiled
- bewildered
- bewitched
- breathless
- captivated
- confounded
- dazed
- dismayed
- dumbfounded
- dumbstruck
- enchanted
- enraptured
- enthralled
- entranced
- fascinated
- flabbergasted
- floored
- gaping
- hypnotized
- mesmerized
- nonplussed
- numb
- open-eyed
- openmouthed
- popeyed
- puzzled
- shocked
- speechless
- spellbound
- staring
- stunned
- stupefied
- surprised
- wide-eyed
- wonder-struck
- wondering