| engrossment(noun, thought) |
| evaluating(verb, thinking) |
| hypothesis(noun, analysis, basis, motivation, justification) |
| imagining(verb, thinking) |
| inducting |
| lucubration(noun, thought) |
| mental(adjective, mind, rational, intellectual, supernatural) |
| normal(adjective, sound, reasonable, sensible, intellectual) |
| postulate(conjecture, presumption, deduction) |
| preoccupation(noun, thought) |
| psyche(noun, power, spirit, mind, reason) |
| psychical(adjective, rational, intellectual, supernatural, mental) |
| psychology(noun, understanding, philosophy, character, position) |
| rationalization(noun, understanding, philosophy, mind, reason) |
| reasons(noun, basis, motivation, justification, grounds) |
| sane(adjective, sound, reasonable, sensible, rational) |
| sense(noun, understanding, philosophy, character, position) |
| studying(verb, thinking) |
| synthesizing |
| thoughtful(adjective, sound, reasonable, sensible, heavy) |