considerably
adverb
[ kənˈsɪd(ə)rəbli ]
• by a notably large amount or to a notably large extent; greatly.
• "things have improved considerably over the last few years"
Similar:
greatly,
much,
very much,
a great deal,
a lot,
lots,
a fair amount,
significantly,
substantially,
appreciably,
markedly,
noticeably,
materially,
signally,
plenty,
seriously,