perplex (
http://definr.com/perplex)
v 1: be a mystery or bewildering to: "This beats me!" "Got me--I
don't know the answer!" [syn:
get,
puzzle,
mystify,
baffle,
beat,
bewilder,
flummox,
stupefy,
stupify,
nonplus,
gravel,
amaze,
dumbfound]
2: make more complicated; "There was a new development that
complicated the matter" [syn:
complicate] [ant:
simplify]