| reck(theory, guesstimate, premise) |
| reckoning(noun, feeling, belief, conclusion, conjecture) |
| reflection |
| rough guess(noun, expression, theory, guesstimate, qualification) |
| rule(philosophy, system, model) |
| say so(expression, theory, guesstimate, premise) |
| scheme(noun, understanding, plan, position, system) |
| self-evident truth(expression, theory, guesstimate, premise) |
| shouldering |
| sine qua non(expression, idiom, theory, guesstimate, premise) |
| stab in the dark(noun, expression, idiom, theory, guesstimate) |
| stamp of approval(expression, idiom, ok, credence) |
| submitting to(expression, ok, credence) |
| system(noun, understanding, philosophy, plan, position) |
| systemization(noun, understanding, plan, position, system) |
| takeover(assumption, ok, credence, stagecraft) |
| takings(assumption, ok, credence, stagecraft) |
| technique(philosophy, system, model) |
| tentative law(expression, theory, guesstimate, premise) |
| understanding(noun, philosophy, plan, position, system) |