association - a formal organization of people or groups of people; "he joined the Modern Language Association"

big league, major league, majors - the most important league in any sport (especially baseball)

bush league, minor league, minors - a league of teams that do not belong to a major league (especially baseball)

baseball league - a league of baseball teams

basketball league - a league of basketball teams

bowling league - a league of bowling teams

football league - a league of football teams

hockey league - a league of hockey teams

Ivy League - a league of universities and colleges in the northeastern United States that have a reputation for scholastic achievement and social prestige

class, division - a league ranked by quality; "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA"

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

Five Nations, Iroquois League, League of Iroquois, Six Nations - a league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations)

linear unit - a unit of measurement of length

land mile, mile, stat mi, statute mile, mi - a unit of length equal to 1760 yards

unite, unify - act in concert or unite in a common purpose or belief