1
deterioration
1
deviation
1
difference
1
discontinuity
1
divergence
1
diversification
1
diversion
1
diversity
1
elevation(noun, improvement)
1
emendation(noun, improvement)
1
expedition(noun, progress)
1
fitting
1
flip-flop
1
flowering(noun, progress)
1
impetus(noun, progress)
1
lift
1
march(noun, progress)
1
mitigation
1
modulation
1
momentum(noun, progress)
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). melioration thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/melioration/thesaurus/synonyms
ChicagoSmart Define. 2015. "melioration thesaurus" https://smartdefine.org/melioration/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, melioration thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/melioration/thesaurus/synonyms>.
MLASmart Define. "melioration thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/melioration/thesaurus/synonyms>