| serious thought(expression, thought, debate, discussion) |
| shot(belief, thought, opinion, conjecture, rumor) |
| shot in the dark(expression, idiom, opinion, conjecture, rumor) |
| sight |
| smarts(understanding, ability, intelligence, judgment, brain) |
| sneaking suspicion(expression, thought, opinion, consideration, conjecture) |
| stab(belief, thought, opinion, conjecture, rumor) |
| stab in the dark(expression, belief, thought, opinion, conjecture) |
| studying(belief, thought, opinion, consideration, conjecture) |
| supposition(opinion, conjecture, rumor) |
| surmise(opinion, conjecture, rumor) |
| theodicy |
| theory(philosophy, idea, opinion, conjecture, thoughts) |
| thinker(understanding, ability, intelligence, judgment, brain) |
| thread |
| threads |
| ventilation(thought, debate, discussion) |
| wariness(thought, debate, discussion) |
| what it takes(expression, idiom, understanding, ability, intelligence) |
| wits(understanding, ability, intelligence, judgment, brain) |