316 entries under increase topic. ×

2
adorn(verb, fix, develop, agree)
2
ascend(verb, support, advance, raise)
2
become larger(expression, advance, turn, raise)
2
billow(verb, advance, raise, rise)
2
bloat(verb, open, develop, rise)
2
bolster(verb, support, open, develop)
2
bulge(verb, advance, raise, rise)
2
complement(verb, develop, improve, expand)
2
diffuse(verb, open, develop, extend)
2
elaborate(verb, open, develop, extend)
2
embellish(verb, open, develop, agree)
2
embroider(verb, develop, extend, improve)
2
enrich(verb, give, develop, agree)
2
fan out(expression, take, cover, open)
2
fill out(verb, expression, advance, open)
2
further(verb, advance, raise, rise)
2
go up(verb, expression, phrasal verb, advance)
2
grow larger(verb, expression, develop, rise)
2
intensate(verb, advance, develop, disturb)
2
jack up(verb, expression, get, develop)
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APASmart Define. (2015). heighten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "heighten thesaurus" https://smartdefine.org/heighten/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, heighten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heighten/thesaurus/synonyms>.
MLASmart Define. "heighten thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/heighten/thesaurus/synonyms>