| postulation(noun, condition, idea, belief, guess) |
| precondition(theory, guesstimate, premise) |
| premise(noun, condition, idea, belief, guess) |
| prerequisite(theory, guesstimate, premise) |
| presupposition(noun, condition, idea, belief, guess) |
| principal element(expression, theory, guesstimate, premise) |
| principium(theory, guesstimate, premise) |
| principle(theory, guesstimate, premise) |
| qualification(theory, guesstimate, premise) |
| reck(theory, guesstimate, premise) |
| reflection(noun, belief, thought, opinion, conjecture) |
| review(noun, belief, thought, opinion, conjecture) |
| rumor(opinion, conjecture) |
| say so(expression, theory, guesstimate, premise) |
| self-evident truth(expression, theory, guesstimate, premise) |
| shot(noun, belief, thought, opinion, conjecture) |
| sine qua non(expression, idiom, theory, guesstimate, premise) |
| stab(noun, belief, thought, opinion, conjecture) |
| studying(noun, belief, thought, opinion, conjecture) |
| supposal(noun, theory, guesstimate, qualification, supposition) |