confirmation, verification, check, substantiation
Meaning: additional proof that something that was believed (some fact or hypothesis or theory) is correct; "fossils provided further confirmation of the evolutionary theory"
Meaning: information that confirms or verifies
It was the day of confirmation.
He put a hand to the back of his head, and there discovered, in confirmation of the story, a lump as large as a pigeon's egg.
Flint's nerve was failing him, for here was confirmation of the general's theory, but there was worse to come and more of it.
Perhaps no myth has been so often quoted in its confirmation as that of the ancient Iroquois, which narrates the conflict between the first two brothers of our race.
Equally indulgent to their friends and rigorous to their enemies, they employed with success these two powerful engines of reward and punishment, in confirmation of their authority.
This is asserted with such confidence and repeated by all as indisputable truth; but however much I endeavored to find confirmation of this in Shakespeare's dramas, I always found the opposite.
It is as if a man wouldn't go to heaven unless he went in a special train, or as if he thought (as some people think about vaccination) Confirmation more effectual when administered at first hand.
She applied to Mr. Allen for confirmation of her hopes, but Mr. Allen, not having his own skies and barometer about him, declined giving any absolute promise of sunshine. She applied to Mrs. Allen, and Mrs. Allen's opinion was more positive. "She had no doubt in the world of its being a very fine day, if the clouds would only go off, and the sun keep out."