SUPPOSAL
supposition, supposal
(noun) the cognitive process of supposing
assumption, supposition, supposal
(noun) a hypothesis that is taken for granted; “any society is built upon certain assumptions”
Source: WordNet® 3.1
Etymology
Noun
supposal (countable and uncountable, plural supposals)
The act of supposing; supposition. [from 15th c.]
Something supposed; a supposition, a hypothesis. [from 16th c.]
Interest, with a Jew, never proceeds but upon supposal, at least, of a firm and sufficient bottom.
Source: Wiktionary
Sup*pos"al, n.
Definition: The act of supposing; also, that which is supposed;
supposition; opinion. Shak.
Interest, with a Jew, never proceeds but upon supposal, at least, of
a firm and sufficient bottom. South.
Source: Webster’s Unabridged Dictionary 1913 Edition