| a. | 1. | Belonging to substance; actually existing; real; |
| 2. | Not seeming or imaginary; not illusive; real; solid; true; veritable. | |
| 3. | Corporeal; material; firm. | |
| 4. | Having good substance; strong; stout; solid; firm; | |
| 5. | Possessed of goods or an estate; moderately wealthy; responsible; |
| Adj. | 1. | substantial - fairly large; "won by a substantial margin" Synonyms: significant |
| 2. | substantial - being the essence or essential element of a thing; "substantial equivalents"; "substantive information" Synonyms: in essence, substantive | |
| 3. | substantial - having substance or capable of being treated as fact; not imaginary; "the substantial world"; "a mere dream, neither substantial nor practical"; "most ponderous and substantial things"- Shakespeare Antonyms: insubstantial, unsubstantial, unreal - lacking material form or substance; unreal; "as insubstantial as a dream"; "an insubstantial mirage on the horizon" | |
| 4. | substantial - providing abundant nourishment; "a hearty meal"; "good solid food"; "ate a substantial breakfast" | |
| 5. | substantial - of good quality and condition; solidly built; "a solid foundation"; "several substantial timber buildings" |