amaze

verbs

affect with wonder
"Your ability to speak six languages amazes me!"
amaze, astonish, astound
is derived from
amazement
be a mystery or bewildering to
"This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"
amaze, baffle, beat, bewilder, dumbfound, flummox, get, gravel, mystify, nonplus, perplex, pose, puzzle, stick, stupefy, vex