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