Synonyms for Dramatic (same or very similar meaning)
WordNet sense 1 (sensational in appearance or thrilling in effect):
striking
WordNet sense 2 (making a strong or vivid impression):
impressive
WordNet sense 3 (characteristic of spectacles or drama):
spectacular
WordNet sense 4 (having the excitement and emotional appeal of melodrama):
melodramatic
From the ODE community, based on WordNet
add/edit