184 entries under swell topic. ×

1
maturate(verb, advance, turn, raise, produce)
1
mature(verb, advance, turn, raise, produce)
1
open(verb, take, cover, increase, develop)
1
open out(verb, expression, increase, open, develop)
1
outspread(verb, cover, increase, open, develop)
1
piggyback(verb, increase, open, develop, extend)
1
pile up(verb, expression, advance, increase, raise)
1
plump(verb, increase, rise, issue)
1
pop up(verb, expression, advance, turn, raise)
1
pouch(verb, increase, rise, issue)
1
pout(verb, increase, rise, issue)
1
progress(verb, advance, increase, develop, raise)
1
proliferate(verb, advance, increase, raise, rise)
1
propagate(verb, advance, increase, turn, raise)
1
protrude(verb, increase, rise, issue)
1
pullulate(verb, advance, increase, turn, raise)
1
round out(verb, expression, increase, rise, issue)
1
run(verb, increase, grow, expand)
1
shoot(verb, advance, turn, raise, produce)
1
soar(increase, grow, mount)
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APASmart Define. (2015). heighten thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>