Synonyms of referee

1 Syllable
ref, ump
2 Syllables
parleyed, judged, judge, dooming, chaired, holdout, soothers, chairing, soother
3 Syllables
umpired, advisers, mediator, umpire, mediators, adjudged, appraisers, quarterback, go-betweens, mediated, go-between, adjudging, mediate, advisors, umpiring, arbiter, adjudge, chancellors, advisor, arbiters, buttinski, appraiser, matchmakers, ombudsman, chancellor, pacifier, magister, matchmaker, mediating
4 Syllables
arbitrated, moderator, arbitrators, negotiate, conciliator, reconciler, moderators, compromisers, evaluator, negotiated, rent-a-judge, evaluators, alleviators, interceder, second-guesser, middleperson, compromiser, jurisprudent, alleviator, stabilizers, arbitrator, arbitrating, arbitrate, stabilizer
5 Syllables
adjudicator, intermediator, adjudicating, adjudicate, adjudicated