unification

Noun

• the act of making or becoming a single unit
  • the union of opposing factions
    
  • he looked forward to the unification of his family for the holidays
    

• the state of being joined or united or linked
  • there is strength in union
    

• an occurrence that involves the production of a union

Related words

• Synonyms: 
  union , uniting , conjugation , jointure , fusion , merger
• Antonyms: 
  disunion , separation