"refereeing" in the noun sense
1. umpirage, officiation, officiating, refereeing
the act of umpiring
"the officiating was excellent"
"refereeing" in the verb sense
1. referee, umpire
be a referee or umpire in a sports competition
2. referee, peer review
evaluate professionally a colleague's work
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License