Entry 1 sense Webster, 1913 Ameliorative · A·mel·io·ra·tive · IPA /əˈmiːliəɹətɪv/ 01 a. Tending to ameliorate; producing amelioration or improvement; as, ameliorative remedies, efforts. 1. Tending to ameliorate; producing amelioration or improvement; as, ameliorative remedies, efforts.