propitiatory

propitiatory (http://definr.com/propitiatory)

     adj 1: having power to atone for or offered by way of expiation or
            propitiation; "expiatory (or propitiatory) sacrifice"
            [syn: expiatory, expiative]
     2: intended to reconcile or appease; "sent flowers as a
        propitiatory gesture" [syn: propitiative]