ROGET THESAURUS
mediatorship
Mediation
N
mediation,
mediatorship, mediatization, intervention, interposition, interference, intermeddling, intercession, arbitration, flag of truce, good offices, peace offering, parley, negotiation, diplomatics, diplomacy, compromise, mediator, arbitrator, intercessor, peacemaker, makepeace, negotiator, go-between, diplomatist, moderator, propitiator, umpire, mediatory.