Synonyms for United States Of America (same or very similar meaning)
WordNet sense 1 (North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776):
us, America, U.S., U.S.A., USA, United States, the StatesFrom the ODE community, based on WordNetadd/edit