| reck(theory, guesstimate, premise) |
| rough guess(expression, theory, guesstimate, premise) |
| say so(expression, theory, guesstimate, premise) |
| scheme(suggestion, theory, supposition) |
| self-evident truth(expression, theory, guesstimate, premise) |
| shot in the dark(expression, idiom, suggestion, theory, supposition) |
| sine qua non(expression, idiom, theory, guesstimate, premise) |
| sneaking suspicion(expression, theory, guesstimate, premise) |
| speculation(suggestion, theory, supposition) |
| stab in the dark(expression, idiom, theory, guesstimate, premise) |
| suggestion(theory, supposition) |
| supposal(theory, guesstimate, premise) |
| supposition(suggestion, theory, guesstimate, premise) |
| surmisal(theory, guesstimate, premise) |
| surmise(suggestion, theory, supposition) |
| system(suggestion, theory, supposition) |
| term(suggestion, theory, supposition) |
| theorization(theory, guesstimate, premise) |
| theory(suggestion, guesstimate, supposition, premise) |
| universal truth(expression, theory, guesstimate, premise) |