ameliorative,a.|əˈmiːlɪəˌreɪtɪv| [f. ameliorate + -ive; cf.agglomerative.] Tending to ameliorate; improving. 1809Edin.Rev. XV. 95 There are other branches of ameliorative administration.1861Smiles Engineers I. 470 The ameliorative influence he exercised upon the condition of his countrymen.