umpire Synonyms

referee judge arbitrator reconciler propitiator preside peacemaker pacificator oversman negotiate oversee officiator officiate official negotiator referendary resolve ump take the chair rule on ref refereeing officiation linesman evaluator pass judgment toxical superintend settle rule moderator moderate mediatrix determine decide daysman conciliator bencher assessor adjudge arbitrate Arbitrating arbitrated arbiter adjudicator ephor go-between hear mediator mediated