1. (n.) The act of uniting in a league; confederation.

2. (n.) A league; a confederacy; a federal or confederated government.

Anschluss Bund Rochdale cooperative absolute monarchy addition affiliation agglomeration aggregation agreement alignment alliance amalgamation anschluss aristocracy assemblage assimilation association autarchy autocracy autonomy axis band blend blending bloc body cabal cahoots cartel centralization coadunation coalescence coalition coalition government colleagueship college collegialism collegiality colonialism combination combine combo common market commonwealth composition comradeship confederacy confederation confraternity congeries conglomeration conjugation conjunction consolidation conspiracy constitutional government constitutional monarchy consumer cooperative cooperative cooperative society copartnership copartnery corps council credit union customs union democracy dictatorship dominion rule duarchy duumvirate dyarchy economic community ecumenism embodiment encompassment enosis federal government federalization fellowship feudal system fraternalism fraternity fraternization free trade area freemasonry fusion gang garrison state gerontocracy group grouping heteronomy hierarchy hierocracy home rule hookup inclusion incorporation integration junction junta league limited monarchy machine marriage martial law meld melding merger meritocracy militarism military government mob mob rule mobocracy monarchy neocolonialism ochlocracy oligarchy package package deal pantisocracy partnership patriarchate patriarchy police state political machine pure democracy regency representative democracy representative government republic ring self-determination self-government social democracy society sodality solidification sorority stratocracy syncretism syndication syneresis synthesis technocracy thearchy theocracy tie-in tie-up totalitarian government totalitarian regime triarchy triumvirate tyranny unification union wedding welfare state