Synonyms for Bewilder (same or very similar meaning)
WordNet sense 1 (cause to be confused emotionally):
bemuse, discombobulate, throwWordNet sense 2 (be a mystery or bewildering to):
amaze, baffle, beat, dumbfound, flummox, get, gravel, mystify, nonplus, perplex, pose, puzzle, stick, stupefy, vexFrom the ODE community, based on WordNetadd/edit