noun (n)

• the combination of two or more commercial companies

  kombinasi dua atau lebih komersial syarikat

  Synonym:
  amalgamation, merger
  

  source: wordnet30
• the act of making or becoming a single unit

  tindakan membuat atau menjadi satu unit

  Synonym:
  conjugation, jointure, unification, union
  Antonym:
  disunion
  

  source: wordnet30