meliorate

[meel-yuh-reyt, mee-lee-uh-] /ˈmil yəˌreɪt, ˈmi li ə-/
verb (used with object), verb (used without object), meliorated, meliorating.
1.
ameliorate.
Origin
1545-55; < Latin meliōrātus (past participle of meliōrāre) to make better, improve, equivalent to meliōr- (stem of melior) better + -ātus -ate1
Related forms
meliorable
[meel-yer-uh-buh l, mee-lee-er-uh-] /ˈmil yər ə bəl, ˈmi li ər ə-/ (Show IPA), adjective
meliorative
[meel-yuh-rey-tiv, -yer-uh-tiv, mee-lee-uh-rey-, -er-uh-] /ˈmil yəˌreɪ tɪv, -yər ə tɪv, ˈmi li əˌreɪ-, -ər ə-/ (Show IPA), adjective
meliorator, noun
unmeliorated, adjective
British Dictionary definitions for meliorate

meliorate

/ˈmiːlɪəˌreɪt/
verb
1.
a variant of ameliorate
Derived Forms
meliorable, adjective
meliorative (ˈmiːlɪərətɪv) adjective, noun
meliorator, noun
Word Origin and History for meliorate
v.

1550s, "to make better," back-formation from melioration or else from Late Latin melioratus, past participle of Latin meliorare "improve," from melior "better," used as comparative of bonus "good," but probably originally meaning "stronger," from PIE root *mel- "strong, great, numerous" (see multi-). Related: Meliorated; meliorating; melioration; meliorative.