| muse(verb, study, consider, favor, see) |
| nous(noun, knowledge, intelligence, wisdom, intellect) |
| origin(noun, regulation, cause, start, base) |
| perception(noun, form, end, feeling, understanding) |
| perspicacity(noun, understanding, knowledge, mind, grasp) |
| philosophize(verb, think, speculate, analyze, deduce) |
| plead with(verb, expression, encourage, influence, sway) |
| pretense(noun, pretext) |
| psyche(noun, feeling, understanding, power, energy) |
| rational |
| rationalisation |
| rationalism(noun, knowledge, attitude, sense, intelligence) |
| reason out(verb, expression, deliberate, excuse, justify) |
| reason why(noun, expression, idiom, cause, spur) |
| sake(noun, objective, justification) |
| sapience(noun, understanding, knowledge, mind, sense) |
| scrutinise |
| seed(cause, source, origin) |
| sensible |
| sensibleness(noun, knowledge, sense, intelligence, thought) |