Arbitrate

v. t.	1.	To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case. [imp. & p. p. Arbitrated ( ); p. pr. & vb. n. Arbitrating ( ).]
	2.	To decide, or determine generally. There shall your swords and lances arbitrate The swelling difference of your settled hate. - Shak.
v. i.	1.	To decide; to determine.
	2.	To act as arbitrator or judge; as, to arbitrate upon several reports; to arbitrate in disputes among neighbors; to arbitrate between parties to a suit.

Verb

1.

arbitrate - act between parties with a view to reconciling differences; "He interceded in the family dispute"; "He mediated a settlement" Synonyms: intercede, intermediate, liaise, mediate

act between, adjudge, adjudicate, appease, bargain, go between, hear, hold court, hold the scales, intercede, intermediate, interpose, intervene, judge, make terms, meet halfway, moderate, negotiate, officiate, placate, represent, sit in judgment, soothe, step in, treat with, try