Guesswork

(n.) Work performed, or results obtained, by guess; conjecture.

Thesaurus Entries

actuarial prediction, apocalypse, assumption, axiom, conjecture, foreboding, forecast, forecasting, foreshowing, foresight, foretelling, hypothesis, improbability, inference, omen, postulate, postulation, postulatum, prediction, prefiguration, prefigurement, prefiguring, premise, presage, presaging, presentiment, preshowing, presignifying, presumption, presupposal, presupposition, probability, prognosis, prognostication, promise, prophecy, prophesying, proposition, prospectus, set of postulates, soothsay, speculation, statistical prediction, supposal, supposing, supposition, surmise, thesis, vaticination, working hypothesis