S: (n) American Federation of Labor, AFL (a federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955)
W: (v) federate [Related to: federation] (unite on a federal basis or band together as a league) "The country was federated after the civil war"
S: (n) federation (the act of constituting a political unity out of a number of separate states or colonies or provinces so that each member retains the management of its internal affairs)