n.
     - the state of being satisfied.
- Law  the payment of a debt or fulfilment of an obligation or claim.
- 
[with neg.]
 what is felt to be owed or due to one.
- Christian Theology  Christ's atonement for sin.
- historical the chance to defend one's honour in a duel.
Etymology
  ME: from OFr., or from L. satisfactio(n-), from satisfacere (see satisfy).