Word Study
conjectural
CIDE DICTIONARY
conjectural, a. [L. conjecturalis: cf. F. conjectural.].
Dependent on conjecture; fancied; imagined; guessed at; undetermined; doubtful. [1913 Webster]
"And mak'st conjectural fears to come into me." [1913 Webster]
"A slight expense of conjectural analogy." [1913 Webster]
"Who or what such editor may be, must remain conjectural." [1913 Webster]
OXFORD DICTIONARY
conjectural, adj. based on, involving, or given to conjecture.
Derivative
conjecturally adv.
Etymology
F f. L conjecturalis (as conjecture)
THESAURUS
conjectural
abstract, academic, arguable, armchair, at issue, confutable, contestable, controversial, controvertible, debatable, deniable, disputable, doubtable, doubtful, dubious, dubitable, hypothetic, hypothetical, ideal, iffy, impractical, in dispute, in doubt, in dubio, in question, mistakable, moot, notional, open to doubt, open to question, postulatory, problematic, putative, questionable, refutable, reputed, speculative, suppositional, supposititious, suppositive, suppository, suspect, suspicious, theoreticalROGET THESAURUS
conjectural
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.For further exploring for "conjectural" in Webster Dictionary Online