Sust. FEM. 1. Provisional explanation of a fact or a phenomenon, which is assumed after justification. 2 Premise or condition is acceptable retains in a reasoning or syllogism, particularly in a theorem. 3. In methodology, phase ( 41 observation; -the three - induction. The other two are assumption and verification. The concept comes from the Greek 'hypó': bass, and «thésis»: situation. Synonyms: barrunto conjecture, deduction, speculation, estimation, figuration, indication, induction, inference, intuition, possibility postulate, prediction, foreboding, presumption, suspicion, assumption, theory, prophecy, glimpse. Antonyms: axiom, certainty, certainty, certification verification, confirmation, demonstration, evidence, infallibility, law, rule, test, ratification, realization, rule, validation, verification.