guesswork

• POS: Noun
• HYPHEN: guess=work

CIDE DICTIONARY

guesswork, n. 

 Work performed, or results obtained, by guess; conjecture.  [1913 Webster]

OXFORD DICTIONARY

guesswork, n. the process of or results got by guessing.

THESAURUS

guesswork

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

ROGET THESAURUS

guesswork

Supposition

N supposition, assumption, assumed position, postulation, condition, presupposition, hypothesis, blue sky hypothesis, postulate, postulatum, theory, thesis, theorem, data, proposition, position, proposal, presumption, divination, conjecture, guess, guesswork, speculation, rough guess, shot, shot in the dark, conjecturality, surmise, suspicion, sneaking suspicion, estimate, approximation (nearness), inkling, suggestion, hint, intimation, notion, impression, bare supposition, vague supposition, loose supposition, loose suggestion, association of ideas, (analogy), metonym, metonymy, simile (metaphor), conceit, idea, thought, original idea, invention (imagination), supposing, given, mooted, postulatory, assumed, supposititious, suppositive, suppositious, gratuitous, speculative, conjectural, hypothetical, theoretical, academic, supposable, presumptive, putative, suppositional, suggestive, allusive, if, if so be, an, on the supposition, ex hypothesi, in the case, in the event of, quasi, as if, provided, perhaps, for aught one knows.