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tr. & intr.v. a·me·lio·rat·ed, a·me·lio·rat·ing, a·me·lio·rates
To make or become better; improve: Volunteers were able to ameliorate conditions in the refugee camp. Conditions are ameliorating.

[Alteration of meliorate.]

a·mel′io·ra·ble (-rə-bəl) adj.
a·mel′io·ra′tive adj.
a·mel′io·ra′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.ameliorative - tending to ameliorateameliorative - tending to ameliorate    
bettering - changing for the better
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
I did suffer from brain-fag on occasion, but alcohol never suggested itself as an ameliorative. Heavens!
In addition, it is planned that there will be organized the cultivation of fodder varieties of agricultural crops using a scientifically based four-year crop rotation, implemented measures to improve the ameliorative state and improve land fertility.
Some of the objectives of the trust were to conduct and promote manifold constructive activities including promotion and encouragement of scientific education and research, promotion of international goodwill and understanding, care of children, women welfare programmes, ameliorative measures to improve living conditions in villages and towns, provision of basic amenities in rural areas and general welfare programmes to uplift the poor and oppressed.
The SCC applied the Kapp test for considering whether a government can rely on s 15(2) to "defend" its ameliorative program (at paras 43-44).
Conclusion: Punica granatum in both forms, as Pomegranate juice and Pomegranate peel extract, has nearly equal ameliorative effects on steroid induced renal tubular damage.
WHOEVER is responsible and whatever were the circumstances behind the Windrush generation scandal, politicians are falling over themselves to sound compassionate, aggrieved, indignant and ameliorative, now saying they'll give citizenship to the Windrush generation and their children for free.
The society mobilising as a collective voice, demanding justice against perpetrators, holding discrepancies in the enforcement system and corruption in power matrices as accountable, rouses an otherwise somnambulistic political system to simulate some form of ameliorative action.
Architect, artist, and designer Michael Graves fought against simplicity with ameliorative productdesigns and controversial buildings throughout his all-encompassing career.
Since Kapp, supra note 1, section 15(2) has been treated as a shield for claims of discrimination where the government can establish that it is protecting an ameliorative program.
Indian secularism has been described as ameliorative whose spiritual core is incrementalism.
"In addition, it is seriously influenced by the deterioration of the ecologic- ameliorative condition of land, the lack of incentive for farmers to implement water-saving technologies and failure of necessary reclamation works," the minister said.