Dictionary

substantial

-adjective

1. Belonging to substance; actually existing; real; as, substantial life.
2. Not seeming or imaginary; not illusive; real; solid; true; veritable.
3. corporeal; material; firm.
4. Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.
5. Possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.
6. Large in size or value; as, a substantial amount of money.
7. Most important; essential.