PERPLEX

v. 25B6; verb PUZZLE, baffle, mystify, bemuse, bewilder, confound, confuse, nonplus, disconcert, dumbfound, throw, throw/catch off balance, exercise, worry; informal flummox, be all Greek to, stump, bamboozle, floor, beat, faze, fox; N. Amer. informal discombobulate; archaic wilder, maze.