conjectural
adjective
[ kənˈdʒɛktʃ(ə)r(ə)l ]
• based on or involving conjecture.
• "the evidence was deemed too conjectural"
Similar:
speculative,
suppositional,
theoretical,
hypothetical,
putative,
academic,
notional,
abstract,
postulated,
based on guesswork,
inferred,
suspected,
presumed,
assumed,
presupposed,
tentative,
unproven,
untested,
unfounded,
groundless,
unsubstantiated,
ideational,
suppositious,
suppositive,
postulational,
Origin:
mid 16th century: via French from Latin conjecturalis, from conjectura ‘inference’ (see conjecture).