Umpirage

Um´pi`rage

n.	1.	The office of an umpire; the power, right, or authority of an umpire to decide. The mild umpirage of the federal Union. - E. Everett.
	2.	The act of umpiring; arbitrament.

Thesaurus

Noun	1.	umpirage - mediation by an umpire mediation - a negotiation to resolve differences that is conducted by some impartial party
	2.	umpirage - the act of umpiring; "the officiating was excellent" officiating, officiation, refereeing deciding, decision making - the cognitive process of reaching a decision; "a good executive must be good at decision making"