| principle(noun, standard, theory, guesstimate, premise) |
| reason(noun, regulation, sense, intelligence, thought) |
| syllogism(analysis, calculation, logic) |
| deduction(noun, understanding, mind, sense, intelligence) |
| abstract principle(noun, expression, simplification, generalisation) |
| acumen(noun, understanding, mind, sense, intelligence) |
| apprehension(noun, understanding, mind, sense, intelligence) |
| apriority(noun, thought, argument, analysis, thinking) |
| argumentation(noun, understanding, mind, sense, intelligence) |
| bounds(noun, understanding, mind, sense, intelligence) |
| brain(noun, understanding, mind, sense, intelligence) |
| brains(noun, understanding, mind, sense, intelligence) |
| case(argument, analysis, thinking, calculation, logic) |
| cliche |
| cogitation(argument, analysis, thinking, calculation, logic) |
| colligation |
| commonest |
| commonplace |
| comprehension(noun, understanding, mind, sense, intelligence) |
| concluding(thought, argument, analysis, thinking, calculation) |