federation

nouns

an organization formed by merging several groups or parties
federation
is derived from
federate
is a type of (narrower)
a group of people who work together
organisation, organization
a union of political organizations
confederacy, confederation, federation
is derived from
federate
the act of constituting a political unity out of a number of separate states or colonies or provinces so that each member retains the management of its internal affairs
federation
is derived from
federate
is a type of (narrower)
the act of forming or establishing something
"the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club"
constitution, establishment, formation, organisation, organization