Thesaurus: hypothesis

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1. n. A supposition; a proposition or principle which is supposed or taken for granted, in order to draw a conclusion or inference for proof of the point in question; something not proved, but assumed for the purpose of argument, or to account for a fact or an occurrence; as, the hypothesis that head winds detain an overdue steamer.
2. n. A tentative theory or supposition provisionally adopted to explain certain facts, and to guide in the investigation of others; hence, frequently called a working hypothesis.
3. n. a proposal intended to explain certain facts or observations
4. n. a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
5. n. a message expressing an opinion based on incomplete evidence
6. 1. A supposition; a proposition or principle which is supposed or taken for granted, in order to draw a conclusion or inference for proof of the point in question; something not proved, but assumed for the purpose of argument, or to account for a fact or an occurrence; as, the hypothesis that head winds detain an overdue steamer. An hypothesis being a mere supposition, there are no other limits to hypotheses than those of the human imagination. J. S. Mill. 2. (Natural Science) A tentative theory or supposition provisionally adopted to explain certain facts, and to guide in the investigation of others; hence, frequently called a working hypothesis. Syn. -- Supposition; assumption. See Theory. Nebular hypothesis. See under Nebular.
7. A tentative theory or supposition provisionally adopted toexplain certain facts, and to guide in the investigation of others;hence, frequently called a working hypothesis.
8. n:100 n. a proposal intended to explain certain facts or observations n. a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena