WordNet (r) 3.0 (2006):

Europe
    n 1: the 2nd smallest continent (actually a vast peninsula of
         Eurasia); the British use `Europe' to refer to all of the
         continent except the British Isles
    2: an international organization of European countries formed
       after World War II to reduce trade barriers and increase
       cooperation among its members; "he tried to take Britain into
       the Europen Union" [syn: European Union, EU, European
       Community, EC, European Economic Community, EEC,
       Common Market, Europe]
    3: the nations of the European continent collectively; "the
       Marshall Plan helped Europe recover from World War II"

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "Europe":
   Africa, America, Antarctica, Antipodes, Asia, Asia Major,
   Asia Minor, Australasia, Australia, East, Eastern Hemisphere,
   Eurasia, Eurasian landmass, Far East, Levant, Middle East,
   Near East, New World, North America, Occident, Oceania, Old World,
   Orient, South America, West, Western Hemisphere, continent,
   down under, eastland, landmass, main, mainland, peninsula,
   subcontinent, the old country