supposal noun. 
[sǝ'pǝʊz(ǝ)l] LME.[Old French sup(p)osail(l)e, from sup(p)oser SUPPOSE verb: see -AL1.]1.  The action of supposing; supposition, conjecture. Now 
esp., an instance of this; a hypothesis, an assumption. 
LME.2.  A statement, an allegation. 
LME-M17.3.  A notion, an opinion. 
L16-E17.■ Shakespeare Hamlet Holding a weak supposal of our worth, Or thinking..Our state to be disjoint.4.  A suggestion, a proposal. 
E-M18.  [TahlilGaran] English Dictionary ▲