- a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis ) or accepted as highly probable in the light of established facts.
- a proposition assumed as a premise in an argument.
- the antecedent of a conditional proposition.
- a mere assumption or guess.
- a suggested explanation for a group of facts or phenomena, either accepted as a basis for further verification (working hypothesis) or accepted as likely to be true
- an assumption used in an argument without its being endorsed; a supposition
- an unproved theory; a conjecture
