remission
Concise Oxford English Dictionary © 2008 Oxford University Press:
remission/rɪˈmɪʃn/
▶noun
- 1 the cancellation of a debt, charge, or penalty.
■ Brit. the reduction of a prison sentence, especially as a reward for good behaviour.
- 2 a temporary diminution of the severity of disease or pain.
- 3 Theology forgiveness of sins.
'remission' also found in these Oxford entries:

