Synonyms for Referee (same or very similar meaning)
WordNet sense 1 (someone who reads manuscripts and judges their suitability for publication):
reader, reviewerWordNet sense 2 ((sports) the chief official (as in boxing or American football) who is expected to ensure fair play):
refWordNet sense 3 (be a referee or umpire in a sports competition):
umpireWordNet sense 4 (evaluate professionally a colleague's work):
peer reviewFrom the ODE community, based on WordNetadd/edit