254 entries under boost topic. ×

3
broaden(verb, advance, increase, raise, rise)
3
buoy(verb, support, help, set, encourage)
3
comfort(verb, support, develop, promote, encourage)
3
double(verb, advance, increase, raise, rise)
3
escalate(verb, get, advance, increase, develop)
3
expand(verb, charge, advance, increase, develop)
3
extend(verb, advance, increase, develop, raise)
3
foster(verb, support, give, keep, develop)
3
further(verb, support, advance, increase, develop)
3
heat up(verb, expression, support, increase, raise)
3
shoot up(verb, expression, get, increase, promote)
3
thicken(verb, close, set, fix, advance)
2
abet(verb, support, develop, promote, encourage)
2
assemble(verb, form, make, get, place)
2
brighten(verb, increase, encourage, raise, severe)
2
buck up(verb, expression, support, help, encourage)
2
carry(verb, support, hold, help, set)
2
console(verb, support, develop, promote, encourage)
2
elevate(verb, increase, open, develop, start)
2
exhilarate(verb, open, start, encourage, raise)
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>