(astronomy) The ejected material left behind by novae.

A pardon of a sin; (chiefly historical, also figuratively) the forgiveness of an offence, or relinquishment of a (legal) claim or a debt.

(transitive) To change the mission of; to provide with a new mission.

curative; providing a remedy / intended to remediate (i.e., correct or improve) deficient skills in some subject

(education) A pupil enrolled in special classes to improve deficient skills.

Something that corrects or counteracts. / (law) The legal means to recover a right or to prevent or obtain redress for a wrong. / A medicine, application, or treatment that relieves or cures a disease.

(transitive) To provide or serve as a remedy for.

(intransitive) To recall the past in a private moment, often fondly or nostalgically. / (intransitive) To talk or write about memories of the past, especially pleasant memories.

(informal) An act of reminiscence.

(of a person) Feeling or filled with remorse. / Expressing or caused by remorse.