substantial

sub·stan·tial

1. Of, relating to, or having substance; material.
2. True or real; not imaginary.
3. Solidly built; strong.
4. Ample; sustaining: a substantial breakfast.
5. Considerable in importance, value, degree, amount, or extent: won by a substantial margin.
6. Possessing wealth or property; well-to-do.

1. An essential. Often used in the plural.
2. A solid thing. Often used in the plural.

Origin: Middle English substancial, from Old French substantiel, from Latin substantiālis, from substantia, substance; see substance .

Related Forms:

• substantiality sub·stanˌti·alˈi·ty (-shē-ălˈĭ-tē), sub·stanˈtial·ness (-shəl-nĭs) noun

• substantially sub·stanˈtial·ly adverb