corrective

nouns

a device for treating injury or disease

adjectives

designed to promote discipline
"the teacher's action was corrective rather than instructional"; "disciplinal measures"; "the mother was stern and disciplinary"
is derived from
is derived from
tending or intended to correct or counteract or restore to a normal condition
"corrective measures"; "corrective lenses"
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is derived from
is derived from
is similar to
changing for the better