Following are all the supposition like words, in the list below.
CONJECTURE
100% like supposition
SUPPOSAL
100% like supposition
SURMISE
100% like supposition
ASSUMPTION
100% like supposition
GUESS
100% like supposition
HYPOTHESIS
99.96% like supposition
SPECULATION
99.95% like supposition
PRESUMPTIVE
66.72% like supposition
PRESUMPTION
66.72% like supposition
PRESUPPOSITION
66.72% like supposition
GUESSWORK
66.72% like supposition
PREMISE
66.72% like supposition
COURSE
66.7% like supposition
CORRESPOND
66.68% like supposition
APPRECIATION
66.67% like supposition
PROPOSITION
66.66% like supposition
CONTENTION
66.53% like supposition
AFFAIR
66.43% like supposition
SUPPOSITIOUS
33.44% like supposition
SUPPOSITITIOUS
33.44% like supposition
SUPPOSING
33.44% like supposition
SUPPOSABLE
33.44% like supposition
SUPPOSES
33.44% like supposition
ASSERTION
33.44% like supposition
GROUNDLESS
33.44% like supposition
CONJECTURES
33.44% like supposition
NOTION
33.44% like supposition
INFERENCE
33.44% like supposition
POSTULATION
33.44% like supposition
SPECULATIONS
33.44% like supposition
THEORY
33.44% like supposition
INSINUATION
33.44% like supposition
PLAUSIBILITY
33.44% like supposition
PLAUSIBLE
33.44% like supposition
COUNTERFACTUALLY
33.44% like supposition
FACTUALNESS
33.44% like supposition
SUPPOSE
33.44% like supposition
PRESUMPTIONS
33.44% like supposition
CONTRARY
33.44% like supposition
CIRCUMSTANTIAL
33.44% like supposition
CREDENCE
33.44% like supposition
ERRONEOUSNESS
33.44% like supposition
BELIEF
33.44% like supposition
COUNTERFACTUAL
33.44% like supposition
OBJECTION
33.44% like supposition
RUMOUR
33.44% like supposition
FACTUAL
33.44% like supposition
REASONING
33.44% like supposition
FACT
33.44% like supposition
BASELESS
33.44% like supposition
RUMOR
33.44% like supposition
CONFUTATION
33.44% like supposition
ALLEGATION
33.44% like supposition
REASONINGS
33.44% like supposition
CIRCUMSTANTIALLY
33.44% like supposition
UNTRUE
33.44% like supposition
ACCUSATION
33.44% like supposition
PROBABLE
33.44% like supposition
ASSERTIONS
33.44% like supposition
ASSEVERATIONS
33.44% like supposition
INFERENTIALLY
33.44% like supposition
EXTENUATION
33.44% like supposition
ASSUMPTIONS
33.44% like supposition
ERRONEOUS
33.44% like supposition
FALSEHOOD
33.44% like supposition
EXTRAPOLATION
33.44% like supposition
PREMISED
33.44% like supposition
PRINCIPLE
33.44% like supposition
FACTIVE
33.44% like supposition
SOPHISM
33.44% like supposition
HUNCH
33.44% like supposition
ASSUMPTIVE
33.44% like supposition
UNPROVABLE
33.44% like supposition
TRADITIONARY
33.44% like supposition
CONTRARIETY
33.44% like supposition
CONTROVERTING
33.44% like supposition
HYPOTHESES
33.44% like supposition
SPURIOUSNESS
33.44% like supposition
IMPOSSIBILITY
33.44% like supposition
SPECULATIVE
33.44% like supposition
HERESAY
33.44% like supposition
PREPOSTEROUS
33.44% like supposition
MISCONSTRUCTION
33.44% like supposition
PREPOSSESSION
33.44% like supposition
CONCEIT
33.44% like supposition
APPOSITENESS
33.44% like supposition
FACTUALLY
33.44% like supposition
FACTITIOUS
33.44% like supposition
ALLEDGE
33.44% like supposition
FORTUITOUSNESS
33.44% like supposition
CONJECTURING
33.44% like supposition
FANCIFUL
33.44% like supposition
EMPIRIC
33.44% like supposition
HAZARDING
33.44% like supposition
CONCEIVABLE
33.44% like supposition
HYPOTHESE
33.44% like supposition
UNPLAUSIBLE
33.44% like supposition
PRETENCE
33.44% like supposition
HEARSAY
33.44% like supposition
NECESSITATION
33.44% like supposition