Open English Wordnet
Verbs
(v)besot, stupefymake dull or stupid or muddle with drunkenness or infatuation (v)perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfoundbe a mystery or bewildering to“This beats me!”,
“Got me — I don't know the answer!”,
“a vexing problem”,
“This question really stuck me” (v)stun, stupefymake senseless or dizzy by or as if by a blow“stun fish”