50 entries under broaden topic. ×

3
wax(verb, increase, open, develop, extend)
2
bolster(verb, give, increase, open, develop)
2
bulk up(verb, expression, increase, open, develop)
2
detail(verb, increase, open, develop, extend)
2
diffuse(verb, increase, open, develop, extend)
2
embellish(verb, increase, open, develop, extend)
2
explicate(verb, increase, open, develop, extend)
2
fan out(verb, expression, increase, open, develop)
2
hike(verb, increase, open, develop, extend)
2
mount(increase, open, develop, rise, extend)
2
mushroom(verb, increase, open, develop, extend)
2
outspread(verb, increase, open, develop, extend)
2
puff up(verb, expression, increase, open, develop)
2
pyramid(verb, increase, open, develop, extend)
2
unravel(verb, increase, open, develop, extend)
2
upsurge(verb, increase, open, develop, extend)
1
beef up(verb, expression, increase, open, develop)
1
open(verb, increase, develop, extend, spread)
1
open out(verb, expression, increase, open, develop)
1
piggyback(verb, increase, open, develop, extend)
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APASmart Define. (2015). fatten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fatten/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatten thesaurus" https://smartdefine.org/fatten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, fatten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fatten/thesaurus/synonyms>.
MLASmart Define. "fatten thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/fatten/thesaurus/synonyms>