The noun remission has 4 senses (first 1 from tagged texts)
1. (1) remission, remittal, subsidence -- (an abatement in intensity or degree (as in the manifestations of a disease); "his cancer is in remission")
2. remittance, remittal, remission, remitment -- (a payment of money sent to a person in another place)
3. remission, remitment, remit -- ((law) the act of remitting (especially the referral of a law case to another court))
4. absolution, remission, remittal, remission of sin -- (the act of absolving or remitting; formal redemption as pronounced by a priest in the sacrament of penance)