| controvert(verb, oppose, dispute, doubt, suspect) |
| cudgel(verb, study, perplex, bewilder, mystify) |
| deliberate(verb, consider, ponder, reflect) |
| discombobulate(perplex, bewilder, mystify) |
| disconcert(perplex, bewilder, mystify) |
| discredit(verb, doubt, mistrust, disbelieve) |
| dispute(verb, oppose, doubt, suspect) |
| distract(perplex, bewilder, mystify) |
| disturb(perplex, bewilder, mystify) |
| doubt(verb, discredit, suspect, mistrust, disbelieve) |
| dumbfound(perplex, bewilder, mystify) |
| dwell on(expression, consider, ponder, reflect) |
| flabbergast(perplex, bewilder, mystify) |
| floor(perplex, bewilder, mystify) |
| flummox(perplex, bewilder, mystify) |
| foil(perplex, bewilder, mystify) |
| frustrate(perplex, bewilder, mystify) |
| get to(expression, perplex, bewilder, mystify) |
| give thought to(verb, expression, idiom, consider, deliberate) |
| go over(expression, consider, deliberate) |