corrective

(noun) a device for treating injury or disease. Synonyms: restorative.

(adj) designed to promote discipline. Synonyms: disciplinary, disciplinal. Examples: "The teacher's action was corrective rather than instructional." "Disciplinal measures." "The mother was stern and disciplinary."

(adj) tending or intended to correct or counteract or restore to a normal condition. Examples: "Corrective measures." "Corrective lenses."