demoralize - confuse or put into disorder; "the boss's behavior demoralized everyone in the office"

bewilder, dumbfound, flummox, baffle, mystify, nonplus, perplex, puzzle, stupefy, amaze, gravel, vex, pose, stick, beat, get - 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"

disconcert, flurry, confuse, put off - cause to feel embarrassment; "The constant attention of the young man confused her"

disorient, disorientate - cause to be lost or disoriented

be - have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"

misidentify, mistake - identify incorrectly; "Don't mistake her for her twin sister"

obnubilate, obscure, blur, confuse - make unclear, indistinct, or blurred; "Her remarks confused the debate"; "Their words obnubilate their intentions"

confuse - make unclear or incomprehensible; "The new tax return forms only confuse"

mix up, jumble, confuse - assemble without order or sense; "She jumbles the words when she is supposed to write a sentence"