| sanction(noun, support, action, base, beginning) |
| security(noun, support, action, base, beginning) |
| source(noun, support, action, base, beginning) |
| starting point(noun, expression, base, beginning, source) |
| substratum(noun, support, action, base, beginning) |
| support(noun, action, base, beginning, source) |
| theorem(noun, support, action, base, beginning) |
| theory(noun, support, action, base, beginning) |
| underpinning(noun, support, action, base, beginning) |
| warrant(noun, support, action, base, beginning) |
| apriorism(theory, guesstimate, premise) |
| apriority(theory, guesstimate, premise) |
| beginning(noun, base, source, foundation, root) |
| belief(theory, guesstimate, premise) |
| codification(theory, guesstimate, premise) |
| condition(theory, guesstimate, premise) |
| educated guess(expression, theory, guesstimate, premise) |
| formularization(theory, guesstimate, premise) |
| foundation(noun, base, beginning, source, root) |
| general truth(expression, theory, guesstimate, premise) |