Source : Webster's Revised Unabridged Dictionary (1913)

Redemptory \Re*demp"to*ry\ (-t?*r?), a.
   Paid for ransom; serving to redeem. ``Hector's redemptory
   price.'' --Chapman.

Source : WordNet®

redemptory
     adj : of or relating to or resulting in redemption; "a redemptive
           theory about life"- E.K.Brown [syn: {redemptive}, {redemptional}]