Indisputable (adjective)

1. Not able to be disputed or denied.
2. Undeniably true or valid.

Origin:

Late middle english (in the sense "not able to be disputed"): from latin indisputabilis, from in- "not" + disputabilis (see disputable).

Examples:

1. The evidence was indisputable and the defendant was found guilty.
2. It is an indisputable fact that the earth is round.
3. The success of the company is indisputable, it has been growing rapidly for the last five years.
4. The importance of education is indisputable as it is key for personal and professional development.
5. It was an indisputable victory for the home team.