mediatorial

from WordNet (r) 3.0 (2006)

mediatorial
    adj 1: of or relating to a mediator or the duties of a mediator

from The Collaborative International Dictionary of English v.0.48

Mediatorial \Me`di*a*to"ri*al\, a.
   Of or pertaining to a mediator, or to mediation; mediatory;
   as, a mediatorial office. -- {Me`di*a*to"ri*al*ly}, adv.
   [1913 Webster]

         My measures were . . . healing and mediatorial.
                                                  --Burke.
   [1913 Webster]