Synonyms for Curative (same or very similar meaning)
WordNet sense 1 (a medicine or therapy that cures disease or relieve pain):
cure, remedy, therapeuticWordNet sense 2 (tending to cure or restore to health):
remedial, sanative, alterative, healingWordNet sense 3 (conducive to good health of body or mind):
healthfulFrom the ODE community, based on WordNetadd/edit