re·mis·sion 
(rĭ-mĭshən)
(rĭ-mĭshən)n.
1.
a. The act of remitting.
b. A condition or period in which something is remitted.
2. A lessening of intensity or degree; abatement.
3.
a. Medicine Abatement or subsiding of the symptoms of a disease.
b. The period during which the symptoms of a disease abate or subside.
4.
a. Release, as from a debt, penalty, or obligation.
b. Forgiveness; pardon.
[Middle English, from Old French, from Latin remissiō, remissiōn-, from remissus, past participle of remittere, to let go; see REMIT.]