Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

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"