This would finally prove whether she was dead or not.
"I think you have finally proven that to me tonight!"
As more than one historian believed, it would finally prove who was right.
Just last year, that suspicion was finally proved to be correct.
I think we've finally proven our worth to them.
After more than ten years of approaching various banks, the company had finally proved its staying power.
Tofalos' father opposed to it and finally proved to be right.
But a foot injury that occurred last week finally proved too much to overcome.
The other, or under side, then, was that on which lay the writing, if writing there should finally prove to be.
It seems that the opportunity to bring them together finally proved irresistible.