| v. t. | 1. | To make to exist; to make real. |
| 2. | To establish the existence or truth of by proof or competent evidence; to verify; |
| Verb | 1. | substantiate - establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" |
| 2. | substantiate - represent in bodily form; "He embodies all that is evil wrong with the system"; "The painting substantiates the feelings of the artist" | |
| 3. | substantiate - make real or concrete; give reality or substance to; "our ideas must be substantiated into actions" | |
| 4. | substantiate - solidify, firm, or strengthen; "The president's trip will substantiate good relations with the former enemy country" |