Search Result for "multiculturalism": 
Wordnet 3.0

NOUN (1)

1. the doctrine that several different cultures (rather than one national culture) can coexist peacefully and equitably in a single country; 



WordNet (r) 3.0 (2006):

multiculturalism
    n 1: the doctrine that several different cultures (rather than
         one national culture) can coexist peacefully and equitably
         in a single country [ant: nationalism]