dumbfounded (adj.)

• agape
• aghast
• agog
• amazed
• aphasic
• aphonic
• astonished
• astounded
• awed
• awestruck
• baffled
• beguiled
• bemused
• bewildered
• bewitched
• breathless
• captivated
• confounded
• confused
• dazed
• dazzled
• disconcerted
• dismayed
• dumb
• dumbstricken
• dumbstruck
• enchanted
• enraptured
• enthralled
• entranced
• fascinated
• flabbergasted
• floored
• gaping
• hypnotized
• inarticulate
• mesmerized
• mum
• mute
• nonplussed
• open-eyed
• openmouthed
• perplexed
• popeyed
• puzzled
• shocked
• speechless
• spellbound
• staring
• startled
• stunned
• stupefied
• surprised
• thunderstruck
• tongue-tied
• tongueless
• voiceless
• wide-eyed
• wonder-struck
• wondering
• wordless