perplex (generic term)
vex (generic term)
stick (generic term)
get (generic term)
puzzle (generic term)
mystify (generic term)
baffle (generic term)
beat (generic term)
pose (generic term)
bewilder (generic term)
flummox (generic term)
stupefy (generic term)
nonplus (generic term)
gravel (generic term)
amaze (generic term)
dumbfound (generic term)