Source : Webster's Revised Unabridged Dictionary (1913)

Conciliatory \Con*cil"i*a*to*ry\ (?; 106), a.
   Tending to conciliate; pacific; mollifying; propitiating.

         The only alternative, therefore, was to have recourse
         to the conciliatory policy.              --Prescott.

Source : WordNet®

conciliatory
     adj 1: making or willing to make concessions; "loneliness tore
            through him...whenever he thought of...even the
            compromising Louis du Tillet" [syn: {compromising}, {flexible}]
            [ant: {uncompromising}]
     2: overcoming animosity or hostility; "spoke in a conciliating
        tone"; "a conciliatory visit" [syn: {conciliative}] [ant:
        {antagonistic}]