to cause to be puzzled or bewildered over what is not understood or certain; confuse mentally

Her strange response perplexed me.

to make complicated or confused, as a matter or question.

to hamper with complications, confusion, or uncertainty.

verb

clarify , clear up , enlighten , explain

verb

astonish , astound , baffle , balk , befuddle , beset , bewilder , buffalo , complicate , confound , discombobulate , discompose , dumbfound , encumber , entangle , fog , get to * , involve , jumble , muck , muddle , muddy the waters , mystify , nonplus , perturb , pose , puzzle , rattle , ravel , snarl up , stumble , stump , surprise , tangle , thicken , thwart , addle , dizzy , fuddle , mix up , embarrass , snarl , amaze , bamboozle , bedevil , boggle , confuse , cumber , diffuse , disconcert , distract , embrangle , embroil , interweave , obfuscate