arbitrator 1noundomain: personPrinceton WordNet [ver.3.1]EnglishDefinitionsomeone chosen to judge and decide a disputed issueReport errorPath to highest hypernymMorphologySynset graphExamples1.the arbitrator's authority derived from the consent of the disputants2.an umpire was appointed to settle the tax case3.the critic was considered to be an arbiter of modern literatureSynonymsarbiter 2umpire 2