[noun] the state of being allied or confederated Synonyms:confederation
[noun] a connection based on kinship or marriage or common interest; "the shifting alliances within a large family"; "their friendship constitutes a powerful bond between them" Synonyms:bond
[noun] an organization of people (or countries) involved in a pact or treaty Synonyms:coalition, alignment, alinement
[noun] a formal agreement establishing an association or alliance between nations or other groups to achieve a particular aim
[noun] the act of forming an alliance or confederation Synonyms:confederation