hookup (n.)

• addition
• affiliation
• agglomeration
• agglutination
• aggregation
• agreement
• alignment
• alliance
• amalgamation
• articulation
• assimilation
• association
• blend
• blending
• bond
• cabal
• cartel
• centralization
• circuit
• clustering
• coalescence
• coalition
• combination
• combine
• combo
• communication
• composition
• comradeship
• concatenation
• concourse
• concurrence
• confederacy
• confederation
• confluence
• congeries
• conglomeration
• conjugation
• conjunction
• connection
• consolidation
• conspiracy
• convergence
• copartnership
• copulation
• coupling
• ecumenism
• embodiment
• encompassment
• enosis
• federalization
• federation
• fellowship
• fraternity
• fraternization
• freemasonry
• fusion
• gathering
• inclusion
• incorporation
• integration
• intercommunication
• intercourse
• joinder
• joining
• jointure
• junction
• junta
• league
• liaison
• linkage
• linking
• marriage
• meeting
• meld
• merger
• merging
• net
• network
• package
• pairing
• partnership
• sodality
• solidification
• sorority
• splice
• symbiosis
• syncretism
• syndication
• syneresis
• synthesis
• tie
• tie-in
• tie-up
• togetherness
• unification
• union
• wedding