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Definition of arbiter:

  1. A person appointed, or chosen, by parties to determine a controversy between them.
  2. Any person who has the power of judging and determining, or ordaining, without control; one whose power of deciding and governing is not limited.
  3. To act as arbiter between.


umpire, VIP, adjudicator, referee, mover and shaker, mediator, a force to be reckoned with, supreme authority, leading light, honest broker, magnate, ump, pacifier, arbitrator, judge, authority figure, peacemaker, eminence, figure, mogul, decide, broker, prime mover, justice, intermediary, ref.

  • judge (part of speech: verb)

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