substantially

/səbˈstænʃəli/
adverb
  1. To a great or significant extent; considerably.
    • Her health improved substantially after the treatment.
    • The new highway will substantially reduce travel time between the cities.
    • The cost of living has increased substantially over the past decade.
  2. In a way that relates to the main or essential part; mostly.
    • The report is substantially correct, though a few details are wrong.
    • The plan was substantially approved, with only minor changes.
    • The two versions of the story are substantially the same.
What does "substantially" mean? | whatsthatwordmean | whatsthatwordmean