| theory(noun, concept, philosophy, system, belief) |
| assumption(noun, understanding, philosophy, system, belief) |
| basis(noun, understanding, plan, position, system) |
| belief(noun, understanding, philosophy, system, model) |
| codification(noun, concept, understanding, philosophy, plan) |
| concept(noun, understanding, plan, position, system) |
| conjecture(noun, understanding, philosophy, system, belief) |
| formulization |
| hypothesis(noun, understanding, philosophy, system, belief) |
| idea(noun, understanding, plan, position, system) |
| opinion(noun, theory, guesstimate, premise) |
| postulation(noun, theory, guesstimate, premise) |
| presumption(noun, understanding, philosophy, system, belief) |
| speculation(noun, understanding, philosophy, system, belief) |
| starting point(expression, theory, guesstimate, premise) |
| supposal(noun, concept, understanding, philosophy, plan) |
| suppose(noun, concept, understanding, philosophy, plan) |
| supposition(noun, concept, understanding, philosophy, plan) |
| surmisal(noun, theory, guesstimate, premise) |
| theorem(noun, understanding, plan, position, system) |