verb (v)

• become one(verb.change)

  Synonym:
  merge, unite
  Antonym:
  break apart, disunify
  

  source: wordnet30
• to bring or combine together or with something else(verb.contact)

  Synonym:
  amalgamate, commix, mingle, mix
  

  source: wordnet30
• bring together for a common purpose or action or ideology or in a shared situation(verb.social)

  Synonym:
  unite
  

  source: wordnet30
• act in concert or unite in a common purpose or belief(verb.social)

  Antonym:
  carve up, dissever, divide, separate, split, split up
  

  source: wordnet30
• join or combine(verb.change)

  source: wordnet30
• To cause to be one; to make into a unit; to unite; to view as one.(verb)

  source: webster1913