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An assumption or theory.
During a criminal trial, a hypothesis is a theory set forth by either the prosecution or the defense for the purpose of explaining the facts in evidence. It also serves to set up a ground for an inference of guilt or innocence, or a showing of the most probable motive for a criminal offense.
hypothesisnoun assertion, assignment of cause, assumption, conclusion drawn from accepted truths, conjecture, deduction, guess, inference, postulate, postulation, speculation, suggestion, supposal, surmise, tentative explanation, tentative law, theory, thesis, unproved theory
See also: assumption, basis, belief, conclusion, conjecture, deduction, generalization, idea, inference, opinion, postulate, presumption, prolepsis, proposition, speculation, supposition, theory, thesis