'Substantially' definitions:

Definition of 'substantially'

From: WordNet
adverb
To a great extent or degree; "I'm afraid the film was well over budget"; "painting the room white made it seem considerably (or substantially) larger"; "the house has fallen considerably in value"; "the price went up substantially" [syn: well, considerably, substantially]
adverb
In a strong substantial way; "the house was substantially built"

Definition of 'Substantially'

From: GCIDE
  • Substantially \Sub*stan"tial*ly\, adv. In a substantial manner; in substance; essentially. [1913 Webster]
  • In him all his Father shone, Substantially expressed. --Milton. [1913 Webster]
  • The laws of this religion would make men, if they would truly observe them, substantially religious toward God, chastle, and temperate. --Tillotson. [1913 Webster]