'Substantial' definitions:

Definition of 'substantial'

(from WordNet)
adjective
Fairly large; "won by a substantial margin" [syn: significant, substantial]
adjective
Having a firm basis in reality and being therefore important, meaningful, or considerable; "substantial equivalents" [syn: substantial, substantive]
adjective
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 [syn: substantial, real, material] [ant: insubstantial, unreal, unsubstantial]
adjective
Providing abundant nourishment; "a hearty meal"; "good solid food"; "ate a substantial breakfast"; "four square meals a day" [syn: hearty, satisfying, solid, square, substantial]
adjective
Of good quality and condition; solidly built; "a solid foundation"; "several substantial timber buildings" [syn: solid, strong, substantial]

Definition of 'Substantial'

From: GCIDE
  • Substantial \Sub*stan"tial\, a. [F. substantiel, L. substantialis.]
  • 1. Belonging to substance; actually existing; real; as, substantial life. --Milton. [1913 Webster]
  • If this atheist would have his chance to be real and substantial agent, he is more stupid than the vulgar. --Bentley. [1913 Webster]
  • 2. Not seeming or imaginary; not illusive; real; solid; true; veritable. [1913 Webster]
  • If happinessbe a substantial good. --Denham. [1913 Webster]
  • The substantial ornaments of virtue. --L'Estrange. [1913 Webster]
  • 3. Corporeal; material; firm. "Most ponderous and substantial things." --Shak. [1913 Webster]
  • The rainbow [appears to be] a large substantial arch. --I. Watts. [1913 Webster]
  • 4. Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall. [1913 Webster]
  • 5. Possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder. "Substantial yeomen and burghers." --Sir W. Scott. [1913 Webster]

Synonyms of 'substantial'

From: Moby Thesaurus