Stupefy

1. verb

   make dull or stupid or muddle with drunkenness or infatuation

   Similar: besot

2. verb

   be a mystery or bewildering to

   “This beats me!”

   Similar: perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, nonplus

3. verb

   make senseless or dizzy by or as if by a blow

   “stun fish”

   Similar: stun