1. (noun)hypothesis a proposal intended to explain certain facts or observations Synonyms: theory, surmisal, possibility, guess, conjecture, supposition, surmise, speculation
2. (noun)hypothesis, possibility, theory a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena Synonyms: theory, possibleness, surmisal, hypothesis, possibility, opening, guess, conjecture, possible action, supposition, surmise, speculation
3. (noun)guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis a message expressing an opinion based on incomplete evidence Synonyms: guess, possibility, conjecture, surmise, guesswork, theory, meditation, venture, supposition, dead reckoning, guessing, surmisal, supposal, assumption, hypothesis, speculation, shot
Synonyms, Thesaurus & Antonyms of 'hypothesis'
English Synonyms and Antonyms
1. hypothesis A hypothesis is a statement of what is deemed possibly true, assumed and reasoned upon as if certainly true, with a view of reaching truth not yet surely known; especially, in the sciences, a hypo Synonyms: hypothesis, conjecture, scheme, supposition, system, guess, speculation, surmise, theory Antonyms: certainty, demonstration, discovery, evidence, fact, proof
Synonyms for hypothesis 
