86 entries under strengthen topic. ×

2
cement(verb, close, set, fix, settle)
2
empower(verb, support, increase, establish, extend)
2
energize(verb, support, increase, sustain, uphold)
2
fix(verb, calm, close, set, settle)
2
help(noun, verb, support, keep, maintain)
2
pillow(verb, support, help, boost, sustain)
2
settle(verb, calm, close, set, fix)
2
step up(verb, expression, phrasal verb, support, increase)
1
add fuel to fire(verb, expression, idiom, support, increase)
1
add to(verb, expression, support, increase, sustain)
1
charge up(verb, expression, support, secure, protect)
1
deepen(swell, expand, condense, fortify)
1
embattle(verb, support, secure, protect)
1
emphasize(verb, support, increase, sustain, uphold)
1
enhance(verb, support, increase, establish, extend)
1
enlarge(verb, support, increase, establish, extend)
1
enliven
1
establish(verb, support, increase, extend, powerful)
1
firm up(expression, calm, steady, soothe)
1
garrison(noun, verb, support, cover, secure)
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APASmart Define. (2015). buttress thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/buttress/thesaurus/synonyms
ChicagoSmart Define. 2015. "buttress thesaurus" https://smartdefine.org/buttress/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, buttress thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/buttress/thesaurus/synonyms>.
MLASmart Define. "buttress thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/buttress/thesaurus/synonyms>