Mediatorial
Pronunciation : Me`di*a*to"ri*al
Part of Speech : a.
Definition : Defn: Of or pertaining to a mediator, or to mediation; mediatory; as, a mediatorial office. -- Me`di*a*to"ri*al*ly, adv. My measures were . . . healing and mediatorial. Burke.
Source : Webster's Unabridged Dictionary, 1913