- A one-word name for the United States of America that does not have the ambiguity of "America"
- Frank Lloyd Wright's utopian vision of the United States
- A community in New York state designed by Frank Lloyd Wright in his Usonian style
- (rare) In geopolitical and international economic modeling, a prototype superpower that, in competing with an antagonistic superpower Russonia (the Soviet Union), allows Thirdonia (a hypothetical neutral Third World country) to extract considerable wealth from both.
Usona + -ia
The word is known today primarily due to the writings of Frank Lloyd Wright, who first used it in 1925. However, it was used (perhaps coined) by James Law in 1903 (see quotation below), before it is thought Wright was exposed to it.