The Collaborative International Dictionary of English v.0.48:

Quittance \Quit"tance\ (kw[i^]t"tans), n. [OE. quitaunce, OF.
   quitance, F. quittance. See Quit, v. t.]
   1. Discharge from a debt or an obligation; acquittance.
      [1913 Webster]

            Omittance is no quittance.            --Shak.
      [1913 Webster]

   2. Recompense; return; repayment. [Obs.] --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Quittance \Quit"tance\, v. t.
   To repay; to requite. [Obs.] --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

quittance
    n 1: a document or receipt certifying release from an obligation
         or debt
    2: payment of a debt or obligation [syn: repayment,
       quittance]

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "quittance":
   absolution, acknowledgment, acquitment, acquittal, acquittance,
   amends, amortization, amortizement, atonement, binder, blood money,
   canceled check, cash, cash payment, clearance, clearing,
   comeuppance, compensation, composition, compromise, compurgation,
   consideration, damages, debt service, defrayal, defrayment,
   deposit, desert, deserts, destigmatization, destigmatizing,
   disbursal, discharge, disculpation, dismissal, doling out,
   down payment, earnest, earnest money, exculpation, excuse,
   exoneration, expiation, expiatory offering, forgiveness, guerdon,
   hire purchase, hire purchase plan, honorarium, indemnification,
   indemnity, installment, installment plan, interest payment,
   just deserts, liquidation, making amends, making good,
   making right, making up, meed, monthly payments, never-never,
   pardon, paying, paying off, paying out, paying up, payment,
   payment in kind, payoff, peace offering, piaculum, prepayment,
   price, propitiation, punishment, purgation, purging,
   quarterly payments, quietus, receipt, receipt in full, reclamation,
   recompense, redemption, redress, regular payments, release,
   remission, remittance, remuneration, reparation, reprisal,
   requital, requitement, restitution, retirement, retribution,
   return, revenge, reward, salvage, satisfaction, settlement,
   sinking-fund payment, smart money, solatium, spot cash, squaring,
   verdict of acquittal, vindication, voucher, warrant,
   weekly payments, wergild, what is due, what is merited