moderator Synonyms

negotiator softener soother speaker supercargo symposiarch tactician temperer toastmaster ringmaster regulator referee pacificator peacemaker presenter president presider reasoner reconciler reducer umpire discussant stabilizer compere quizmaster ombudsman mistress of ceremonies peacekeeper ref ump anchor person fixer master of ceremonies emcee coordinator antioxidant evaluator pacifier anchorman chairperson chairwoman linesman person of the house mollifier abater chairman compromiser conciliator convener corypheus