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Noun substantiation has 2 senses
confirmation, verification, check, substantiation - additional proof that something that was believed (some fact or hypothesis or theory) is correct; "fossils provided further confirmation of the evolutionary theory"--1 is a kind of proof, cogent evidence
 --1 has particulars:
validation, proof, substantiation - the act of validating; finding or testing the truth of something--2 is a kind of determination, finding
 --2 has particulars:
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