n.

1. 满意，满足；称心[U][（+with/at）]
   He smiled in satisfaction when he won the race.

   他赢得赛跑后满意地笑了。

2. 快事，乐事；愉快[C][S1]
   Playing tennis is one of his greatest satisfactions.

   打网球是他最大的乐趣之一。

3. 偿还；赔偿；履行义务[U]
4. 【宗】苦行赎罪[U]
5. 决斗；报复[U]

n.

1. the state of being satisfied.
2. Law  the payment of a debt or fulfilment of an obligation or claim.
3. [with neg.] what is felt to be owed or due to one.
4. Christian Theology  Christ's atonement for sin.
5. historical the chance to defend one's honour in a duel.