The Collaborative International Dictionary of English v.0.48:

Requital \Re*quit"al\ (-al), n. [From Requite.]
   The act of requiting; also, that which requites; return, good
   or bad, for anything done; in a good sense, compensation;
   recompense; as, the requital of services; in a bad sense,
   retaliation, or punishment; as, the requital of evil deeds.
   [1913 Webster]

         No merit their aversion can remove,
         Nor ill requital can efface their love.  --Waller.
   [1913 Webster]

   Syn: Compensation; recompense; remuneration; reward;
        satisfaction; payment; retribution; retaliation;
        reprisal; punishment.
        [1913 Webster]

WordNet (r) 3.0 (2006):

requital
    n 1: a justly deserved penalty [syn: retribution, requital]
    2: an act of requiting; returning in kind [syn: requital,
       payment]