coalition

Noun

• the union of diverse things into one body or form or group; the growing together of parts

• the state of being combined into one body

• an organization of people (or countries) involved in a pact or treaty

Related words

• Synonyms: 
  coalescence , coalescency , concretion , conglutination , fusion , alliance , alignment , alinement
• Antonyms: 
  nonalignment , nonalinement