the fusion of originally different inflected forms (resulting in a reduction in the use of inflections)
the union (or attempted fusion) of different systems of thought or belief (especially in religion or philosophy); "a syncretism of material and immaterial theories"
a formal agreement establishing an association or alliance between nations or other groups to achieve a particular aim
an organization of people (or countries) involved in a pact or treaty
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"
(Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity
a movement promoting union between religions (especially between Christian churches)