English to English

verb (v)

• act between parties with a view to reconciling differences(verb.communication)

  Synonym:
  intercede, intermediate, liaise, mediate
  

  source: wordnet30
• To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case.(verb)

  source: webster1913
• To decide; to determine.(verb)

  source: webster1913