| guesstimate(noun, feeling, idea, belief, guess) |
| hint(noun, form, end, feeling, understanding) |
| hunch(noun, concept, understanding, philosophy, fancy) |
| hypotheses |
| hypothesis ad hoc(expression, idiom) |
| hypothetical |
| ideal |
| illation(argument, analysis, thinking, calculation, logic) |
| image(noun, concept, view, idea, belief) |
| imagination(noun, supposition) |
| impression(noun, form, concept, end, feeling) |
| induction(noun, feeling, belief, guess, conclusion) |
| intellection(view, idea, approach, thought, image) |
| intention(noun, form, concept, end, feeling) |
| interpolation(noun, dissertation) |
| intimation(noun, form, end, feeling, understanding) |
| issue(noun, topic) |
| judgment(noun, form, concept, end, feeling) |
| logic(noun, argument, analysis, basis, thinking) |
| logistics(argument, analysis, thinking, calculation, logic) |