without proof
- unverifiedNot yet proven true
- baselessLacking factual support
- unfoundedWithout factual support
- assumptionUnverified belief accepted as true
- speculationUnproven theorizing or risky investment
hearsay · rumor · conjecture · unsubstantiated · faith · blind · trust · alleged · claimed · doubtful · suspicion · hunch · intuition · leap · guesswork · flimsy · circumstantial · accusation
evidential support
without proofproven
Established as fact
substantiated · evidenced · backed up · corroborated · verified
epistemic certainty
without proofconclusively
In a final, undeniable manner
beyond doubt · incontrovertibly · irrefutably · demonstrably · provably