discombobulate

(verb) cause to be confused emotionally. Synonyms: bewilder, bemuse, throw.

(verb) be confusing or perplexing to; cause to be unable to think clearly. Synonyms: confuse, throw, fox, befuddle, fuddle, bedevil, confound. Examples: "These questions confuse even the experts." "This question completely threw me." "This question befuddled even the teacher."