dramatically

from WordNet (r) 3.0 (2006)

dramatically
    adv 1: in a very impressive manner; "your performance will
           improve dramatically"
    2: in a dramatic manner; "he confessed dramatically" [ant:
       {undramatically}]
    3: with respect to dramatic value; "the play was dramatically
       interesting, but the direction was bad"

from The Collaborative International Dictionary of English v.0.48

Dramatically \Dra*mat"ic*al*ly\, adv.
   In a dramatic manner; theatrically; vividly.
   [1913 Webster]