coalition

noun

1.
an organization of people (or countries) involved in a pact or treaty
richesband waystound alignment alinement alliance
2.
the state of being combined into one body
fusion
Derived from:
coalesce
3.
the union of diverse things into one body or form or group; the growing together of parts
coalescence coalescency concretion conglutination
Derived from:
coalesce