substantially
adverb
[ səbˈstanʃ(ə)li ]
• to a great or significant extent.
• "profits grew substantially"
• for the most part; essentially.
• "things will remain substantially the same over the next ten years"
Similar:
largely,
for the most part,
by and large,
on the whole,
almost entirely,
in the main,
mainly,
in effect,
in essence,
essentially,
materially,
basically,
fundamentally,
to all intents and purposes,
to a great degree,