1. The act of umpiring
   "the refereeing was excellent";
   - umpirage, officiation, officiating

1. (sport) be a referee or umpire in a sports competition
   "He refereed the baseball game";
   - umpire, ref [informal], ump [informal]
    
2. Evaluate professionally a colleague's work
   "The scientific paper was refereed before publication";
   - peer review
    
3. Mediate or act as intermediary
   "She refereed the dispute between the two departments"

Type of: critique, deciding, decision making, judge, review

Encyclopedia: Refereeing