102 entries under extension topic. ×

1
annex(noun, increase, delay, spread, addition)
1
appendage(noun, increase, delay, spread, addition)
1
appendix(noun, increase, delay, spread, addition)
1
arm(noun, increase, delay, spread, addition)
1
boosting(noun, boost, growth, expansion)
1
compass(noun, increase, delay, spread, addition)
1
continuation(noun, increase, delay, spread, conclusion)
1
continuing(noun, increase, delay, spread, addition)
1
cumulation(noun, raise, gain, rise, boost)
1
delay(noun, increase, spread, addition)
1
dilatation(noun, increase, delay, spread, addition)
1
drawing out(noun, expression, increase, delay, spread)
1
elongation(noun, increase, delay, spread, addition)
1
escalation(noun, increase, raise, gain, rise)
1
exaggeration(noun, raise, gain, rise, boost)
1
extent(noun, increase, delay, point, spread)
1
fleshing out(noun, expression, advance, increase, gain)
1
heightening(noun, advance, increase, rise, progress)
1
incorporation(noun, raise, gain, rise, boost)
1
intensification(noun, increase, raise, gain, rise)
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APASmart Define. (2016). development thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/development/thesaurus/synonyms
ChicagoSmart Define. 2016. "development thesaurus" https://smartdefine.org/development/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, development thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/development/thesaurus/synonyms>.
MLASmart Define. "development thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/development/thesaurus/synonyms>