addle, baffle, bamboozle, beat, befog, befuddle, bemuse, bewilder, buffalo, confound, confuse, discombobulate, disorient, flummox, fox, fuddle, get, gravel, maze, muddle, muddy, mystify, perplex, pose, puzzle, vex

stick, stump, weird outabash, discomfit, disconcert, discountenance, embarrass, faze, fluster, mortify, nonplus, rattleagitate, bother, chagrin, discomfort, discompose, dismay, disquiet, distress, disturb, perturb, stun, unhinge, unsettle, upsetbeguile, cozen, deceive, delude, dupe, fool, gull, hoax, hoodwink, humbug, misguide, mislead, snow, string along, take in, trick

go to one's head

assure, reassure, satisfyenlighten, inform