confederation (n.)

• addition
• affiliation
• agglomeration
• aggregation
• agreement
• alignment
• alliance
• amalgamation
• assemblage
• assimilation
• association
• axis
• band
• blend
• blending
• bloc
• body
• cabal
• cartel
• centralization
• coalescence
• coalition
• college
• combination
• combine
• combo
• composition
• comradeship
• confederacy
• congeries
• conglomeration
• conjugation
• conjunction
• consolidation
• conspiracy
• cooperative
• copartnership
• corps
• council
• ecumenism
• embodiment
• encompassment
• enosis
• federalization
• federation
• fellowship
• fraternity
• fraternization
• freemasonry
• fusion
• gang
• group
• grouping
• hookup
• inclusion
• incorporation
• integration
• junction
• junta
• league
• machine
• marriage
• meld
• merger
• mob
• package
• partnership
• ring
• society
• sodality
• solidification
• sorority
• syncretism
• syndication
• syneresis
• synthesis
• tie-in
• tie-up
• unification
• union
• wedding