Incontrovertible (adjective)

Undeniable and incapable of being disputed.

Origin:

Late 17th century: from in- 'not' + controvertible (from latin controvertere 'to turn against').

Examples:

1. The evidence was incontrovertible and there was no way to refute it.
2. The scientific findings were incontrovertible, leaving no room for doubt.
3. His honesty and integrity were incontrovertible, and he was widely respected.
4. The statistics showed an incontrovertible correlation between poverty and poor health.
5. The incontrovertible truth was that she had made a mistake and needed to admit it.