| question(verb, doubt, discredit, suspect, mistrust) |
| distrust(verb, oppose, dispute, doubt, suspect) |
| be wary of(verb, doubt, discredit, suspect, distrust) |
| disbelieve(verb, doubt, discredit, suspect, mistrust) |
| mistrust(verb, oppose, doubt, question, discredit) |
| mull over(verb, expression, study, consider, deliberate) |
| muse(verb, study, consider, deliberate, perplex) |
| ponder(verb, study, consider, deliberate, perplex) |
| puzzle over(verb, expression, phrasal verb, consider, oppose) |
| speculate |
| suspect(verb, doubt, discredit, mistrust, disbelieve) |
| think about(verb, expression, study, consider, deliberate) |
| think hard(verb, expression, study, perplex, bewilder) |
| turn over(verb, expression, consider, think, deliberate) |
| addle(perplex, bewilder, mystify) |
| amaze(perplex, bewilder, mystify) |
| ask oneself(expression, study, perplex, bewilder, mystify) |
| baffle(perplex, bewilder, mystify) |
| bamboozle(perplex, bewilder, mystify) |
| be suspicious(verb, doubt, discredit, suspect, mistrust) |