meliorator
Also found in: Thesaurus.
mel·io·rate
(mēl′yə-rāt′, mē′lē-ə-)v. mel·io·rat·ed, mel·io·rat·ing, mel·io·rates
v.tr.
To make better; improve.
v.intr.
To grow better.
mel′io·ra·ble (-rə-bəl) adj.
mel′io·ra′tive adj. & n.
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.