greatly

greatly
    adv 1: to an extraordinary extent or degree; "he improved
           greatly"
    

Greatly \Great"ly\, adv.
   1. In a great degree; much.
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            I will greatly multiply thy sorrow.   --Gen. iii.
                                                  16.
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   2. Nobly; illustriously; magnanimously.
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            By a high fate thou greatly didst expire. --Dryden.
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48 Moby Thesaurus words for "greatly":
      a deal, a great deal, a lot, abundantly, as all creation,
      as all get-out, beaucoup, consequentially, considerable,
      considerably, conspicuously, eminently, ever so, ever so much,
      exceedingly, exceptionally, extremely, galore, grandly, highly,
      hugely, importantly, in great measure, largely, markedly,
      materially, momentously, much, muchly, never so, no end, no end of,
      not a little, notably, outstandingly, plenty, pretty much,
      prominently, remarkably, saliently, signally, significantly, so,
      so very much, strikingly, surpassingly, to the skies, very much