undisputable

Anthony Riggleton was beyond doubt the true heir of old Charles Faversham, and he had undisputable proofs of the fact.

And it proved to be an equally undisputable fact that when Ted Lumsden managed to outwit her he became the hero of the hour.

The deputy is the autocrat that governs with undisputable sway in this domain of semi-darkness and dirt.

All disputes turn around forms of existence, but existence itself is an undisputable truth.

They are set forth and supported by an equally clear and undisputable array of authorities.