confirmative

We just passed the silver anniversary of one of the most confirmative moments in sports for me: Nov. 19, 1996.

It is a collective thing and a confirmative of humanity.

They are in goodly company with a long series of facts already mentioned, with a still longer series immediately to come, and with a wholly overwhelming confirmative history of ten thousand years.

It is certainly pleasant and confirmative of social enjoyment for friends to eat together; but a little enjoyed in this way answers the purpose as well as a great deal, and better, too.”

Asceticism, usually taken as evidence to the reverse, is on the contrary, confirmative.