Hypothesizes is a word that is often used in academic writing, particularly in scientific research. Synonyms for this word include supposes, posits, speculates, postulates, guesses, assumes, presumes, and theorizes. These synonyms convey a range of meanings, from a tentative and speculative possibility (supposes, guesses) to a more firmly held belief or conception (postulates, theorizes). The choice of synonym can depend on the context and nature of the hypothesis being presented, as well as the writer's tone and intent. Regardless of which synonym is chosen, they all serve to indicate a presenter's educated assumption or estimation of a given phenomenon.