adj corporeal; material; firm.
2. substantial ·adj not seeming or imaginary; not illusive; real; solid; true; veritable.
3. substantial ·adj belonging to substance; actually existing; real; as, substantial life.
4. substantial ·adj possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.
5. substantial ·adj having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.