organization, organisation - a group of people who work together

AFL, American Federation of Labor - a federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955

AFL-CIO, American Federation of Labor and Congress of Industrial Organizations - the largest federation of North American labor unions; formed in 1955

CIO, Congress of Industrial Organizations - a federation of North American industrial unions that merged with the American Federation of Labor in 1955

nation - a federation of tribes (especially native American tribes); "the Shawnee nation"

Creek Confederacy - a North American Indian confederacy organized by the Muskogee that dominated the southeastern part of the United States before being removed to Oklahoma

Hanseatic League - a commercial and defensive confederation of free cities in northern Germany and surrounding areas; formed in the 13th century and most powerful in the 14th century

union - a political unit formed from previously independent people or organizations; "the Soviet Union"

establishment, constitution, organization, formation, organisation - the act of forming something; "the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club"