| assumption | (n) a hypothesis that is taken for granted, Syn. supposal, supposition |
| supposition | (n) the cognitive process of supposing, Syn. supposal |
| Presupposal | n. Presupposition. [ R. ] “Presupposal of knowledge.” Hooker. [ 1913 Webster ] |
| Supposal | n. The act of supposing; also, that which is supposed; supposition; opinion. Shak. [ 1913 Webster ] Interest, with a Jew, never proceeds but upon supposal, at least, of a firm and sufficient bottom. South. [ 1913 Webster ] |