2. confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate, be
usage: be confusing or perplexing to; cause to be unable to think clearly; "These questions confuse even the experts"; "This question completely threw me"; "This question befuddled even the teacher"
usage: having self-possession upset; thrown into confusion; "the hecklers pelted the discombobulated speaker with anything that came to hand"; "looked at each other dumbly, quite disconcerted"- G.B.Shaw