Substantiation

n.

1.

The act of substantiating or proving; evidence; proof.

Noun	1.	substantiation - additional proof that something that was believed (some fact or hypothesis or theory) is correct; "fossils provided further confirmation of the evolutionary theory" Synonyms: confirmation, verification, check
	2.	substantiation - the act of validating; finding or testing the truth of something Synonyms: validation, proof

affirm, bed check, check, checksum, cogent evidence, confirm, confirmation, corroborate, crosscheck, odd-even check, parity check, proof, redundant check, substantiate, support, sustain, verification