Arbitrate

1. v. i. 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.
2. v. t. To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case.
3. v. t. To decide, or determine generally.
4. v. i. To decide; to determine.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.