Stunned, benumbed, stupefied, insensible.

Deprived for the moment of the power of action, dazed, paralysed. archaic.

Stupefied.

Confused, muddled, stupefied.

Of a sheep or calf: dizzy, unstable, or confused as the result of a disorder of the brain (see sense A.). In later use more generally, usually of a…

That is or has been stupefied (in various senses); (now) esp. in a state of astonishment, shock, etc.; stunned.

Stupefying, bewildering; (also) stupefied, wandering.

Behaving as if punch-drunk; confused, stupefied.