| prudent(sound, reasonable, sensible, reasoning, intellectual) |
| psychical(adjective, rational, reasoning, intellectual, supernatural) |
| ratiocinative(adjective, sound, reasonable, sensible, reasoning) |
| reflect |
| ruminant(feature, characteristic, trait, thought, meditation) |
| ruminating(noun, adjective, rational, intelligent, thoughtful) |
| sane(adjective, sound, reasonable, sensible, reasoning) |
| sentiment |
| studious(adjective, reasonable, keen, thought, deep) |
| study(noun, understanding, philosophy, mind, interest) |
| studying(verb, belief, thought, opinion, consideration) |
| supposing(verb, calculating, imagining) |
| theory(noun, understanding, philosophy, knowledge, attitude) |
| think |
| thought process(noun, expression, thought) |
| viewpoint(noun, knowledge, view, attitude, opinion) |
| way of thinking(expression, idiom, belief) |
| wistful(adjective, reasonable, keen, thought, deep) |
| absorption(noun, mind, interest, notice, attention) |
| analyzing(verb, reasoning) |