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connivance, consanguinity, consensus, consent, consolidation, consonance, contact, coupling, deal, dispensation, entente, fastener, federalization, federation, fusion, go-ahead, harmony, incorporation, interface, interlink, interlock, intermixture, join, joint, junction, juncture, keeping, kindred, kinsfolk, kinship, link, link-up, linkage, linkup, merger, okay, organisation, permission, propinquity, protection, reconcilement, reconciliation, relatedness, relation, relationship, reuniting, rifle, socket, unification, union, unison, willingness