| substantiat | I am going to substantiate this theory. |
| substantiat | They substantiated their claim by producing dated receipts. |
| substantiate | (v) solidify, firm, or strengthen, Example: The president's trip will substantiate good relations with the former enemy country |
| Substantiate | v. t. Observation is, in turn, wanted to direct and substantiate the course of experiment. Coleridge. [ 1913 Webster ] |
| Substantiation | n. The act of substantiating or proving; evidence; proof. [ 1913 Webster ] |