arbitrative

WordReference Random House Learner's Dictionary of American English © 2026

ar•bi•trate /ˈɑrbɪˌtreɪt/   v., -trat•ed, -trat•ing. 

1. to act or decide as arbitrator or arbiter;
   decide between two sides;
   determine: [no object; (~ + between + object)]
   She has been asked to arbitrate between the two sides.
   [~ + object]
   She has been asked to arbitrate the issue.
2. to send or settle (a matter) to arbitration: [no object]
   They were tired of lengthy negotiations, so they agreed to arbitrate.
   [~ + object]
   to arbitrate their dispute.

ar•bi•tra•tion, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

ar•bi•trate  (är′bi trāt′), v., -trat•ed, -trat•ing. 
v.t. 

1. to decide as arbitrator or arbiter;
   determine.
2. to submit to arbitration;
   settle by arbitration:
   to arbitrate a dispute.

v.i. 

3. to act as arbitrator or arbiter;
   decide between opposing or contending parties or sides.
4. to submit a matter to arbitration.

• Latin arbitrātus decided, judged (past participle of arbitrārī), equivalent. to arbit(e)r arbiter + -ātus -ate¹
• 1580–90

ar′bi•tra′tive, adj.