consolidation, integration - the act of combining into an integral whole; "a consolidation of two corporations"; "after their consolidation the two bills were passed unanimously"; "the defendants asked for a consolidation of the actions against them"

compounding, combining, combination - the act of combining things to form a new whole

coalescence, coalescency, conglutination, coalition, concretion - the union of diverse things into one body or form or group; the growing together of parts

reunification, reunion - the act of coming together again; "monetary unification precipitated the reunification of the German state in October 1990"

tribalisation, tribalization - the act of making tribal; unification on a tribal basis

umbrella - having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"