stupefied

adjective

1
in a state of mental numbness especially as resulting from shock
he had a dazed expression on his face
lay semiconscious, stunned (or stupefied) by the blow
2
as if struck dumb with astonishment and surprise
a circle of policement stood dumbfounded by her denial of having seen the accident
the flabbergasted aldermen were speechless

Also useful for “stupefied”:Unscrambler— Rearrange the letters in “stupefied”