Affording a remedy; intended for a remedy, or for the removal or abatement of an evil; as, remedial treatment.
source: Webster 1913
adjective satellite
tending or intended to rectify or improve
A remedial reading course. Remedial education.
source: WordNet 3.0
tending to cure or restore to health
Curative powers of herbal remedies. Her gentle healing hand. Remedial surgery. A sanative environment of mountains and fresh air. A therapeutic agent. Therapeutic diets.