- guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis - a message expressing an opinion based on incomplete evidence
--1 is a kind of opinion, view
--1 has particulars: divinationDerived form: verb suppose1 - assumption, supposition, supposal - a hypothesis that is taken for granted; "any society is built upon certain assumptions"
--2 is a kind of hypothesis, possibility, theory
--2 has particulars:conclusion; basis, base, foundation, fundament, groundwork, cornerstone; given, presumption, precondition; basic assumption, constatation, self-evident truth - supposition, supposal - the cognitive process of supposing
--3 is a kind of conjecture
--3 has particulars: presuppositionDerived forms: verb suppose3, verb suppose2