1.  meliorate(v = verb.change) ameliorate, amend, better, improve - to make better; "The editor improved the manuscript with his changes"
is one way to alter, change, modify
Derived forms noun melioration₁, noun melioration₂, adjective meliorative₁
Sample sentences: Somebody ----s something; Something ----s somebody; Something ----s something

2.  meliorate(v = verb.change) ameliorate, better, improve - get better; "The weather improved toward evening"
is one way to change state, turn
Derived forms noun melioration₁, noun melioration₃, noun melioration₂, adjective meliorative₁
Sample sentences: Something ----s; Somebody ----s

   To make better; to improve; to ameliorate; to soften; to make more tolerable. [1913 Webster]
"Nature by art we nobly meliorate." [1913 Webster]
"The pure and benign light of revelation has had a meliorating influence on mankind." [1913 Webster]

   To grow better. [1913 Webster]

meliorate, v.tr. & intr. literary improve (cf. AMELIORATE).

Derivative:
melioration n. meliorative adj.

Etymology:
LL meliorare (as MELIORISM)

VB  improve, be better, become better, get better, mend, amend, advance, ascend, increase, fructify, ripen, mature, pick up, come about, rally, take a favorable turn, turn over a new leaf, turn the corner, raise one's head, sow one's wild oats, recover, be better, be improved by, turn to right account, turn to good account, turn to best account, profit by, reap the benefit of, make good use of, make capital out of, place to good account, render better, improve, mend, amend, better, ameliorate, meliorate, correct, decrassify, improve upon, refine upon, rectify, enrich, mellow, elaborate, fatten, promote, cultivate, advance, forward, enhance, bring forward, bring on, foster, invigorate, touch up, rub up, brush up, furbish up, bolster up, vamp up, brighten up, warm up, polish, cook, make the most of, set off to advantage, prune, repair, put in order, review, revise, make corrections, make improvements, doctor, purify, relieve, refresh, infuse new blood into, recruit, reform, remodel, reorganize, new model, view in a new light, think better of, appeal from Philip drunk to Philip sober, palliate, mitigate, lessen an evil.