97 entries under improvement topic. ×

36
increase(noun, advance, increase, delay, rise)
35
growth(noun, advance, increase, raise, rise)
32
enlargement(noun, act, advance, increase, raise)
27
development(noun, advance, increase, raise, delay)
25
spread(noun, verb, act, time, place)
21
augmentation(noun, advance, increase, raise, delay)
16
advance(noun, increase, rise, progress, development)
15
progress(noun, advance, increase, development, spread)
11
increment(noun, advance, increase, raise, rise)
10
evolution(noun, advance, increase, progress, development)
10
progression(noun, advance, increase, progress, development)
8
addition(noun, advance, increase, raise, delay)
8
evolvement(noun, advance, increase, progress, development)
8
rise(noun, advance, increase, raise, progress)
7
accrual(noun, advance, increase, raise, rise)
6
accretion(noun, advance, increase, raise, rise)
6
boost(noun, advance, increase, raise, rise)
5
advancement(noun, advance, increase, progress, development)
5
enhancement(noun, increase, rise, development, spread)
5
furtherance(noun, progress, development, spread)
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APASmart Define. (2016). expansion thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/expansion/thesaurus/synonyms
ChicagoSmart Define. 2016. "expansion thesaurus" https://smartdefine.org/expansion/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, expansion thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/expansion/thesaurus/synonyms>.
MLASmart Define. "expansion thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/expansion/thesaurus/synonyms>