84 entries under extension 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)
18
amplification(noun, increase, delay, rise, development)
14
elaboration(noun, advance, increase, raise, rise)
12
inflation(noun, increase, raise, rise, benefit)
11
increment(noun, advance, increase, raise, rise)
11
stretch(noun, time, place, area, increase)
10
broadening(noun, change, increase, delay, development)
10
swelling(noun, increase, raise, rise, development)
8
addition(noun, advance, increase, raise, delay)
8
burgeoning(noun, raise, rise, growth, addition)
8
distension(noun, increase, delay, rise, development)
8
extent(noun, time, place, area, increase)
8
rise(noun, advance, increase, raise, progress)
8
widening(noun, advance, increase, delay, progress)
7
accrual(noun, advance, increase, raise, rise)
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APASmart Define. (2016). expansion thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/expansion/thesaurus/synonyms
ChicagoSmart Define. 2016. "expansion thesaurus" https://smartdefine.org/expansion/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, expansion thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/expansion/thesaurus/synonyms>.
MLASmart Define. "expansion thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/expansion/thesaurus/synonyms>