say it: AHR-buh-trayt
arbitrate is a verb meaning "act between parties with a view to reconciling differences". It carries one recorded sense.
act between parties with a view to reconciling differences
“He interceded in the family dispute”
“He mediated a settlement”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for arbitrate come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.