meliorate
me·lio·rate
verb
1.
Origin
First attested in 1542; borrowed from Late Latin meliorātus, perfect passive participle of meliorō (see -ate (verb-forming suffix)), from melior (“better”).
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Causes
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.