7
abutment(noun, support, hold, block, back)
7
pillar(noun, verb, support, hold, increase)
7
underpin(verb, support, hold, continue, stay)
7
underpinning(noun, support, hold, block, back)
6
backing(noun, support, hold, block, back)
6
bulwark(noun, verb, support, hold, help)
6
buttressing(noun, support, strengthening)
6
gird(verb, support, close, set, fix)
6
harden(verb, support, close, set, increase)
6
substantiate(verb, support, increase, present, establish)
5
back up(verb, expression, phrasal verb, support, increase)
5
bear(verb, support, hold, help, keep)
5
bracket(noun, support, stay, bar, foundation)
5
hold(noun, verb, support, maintain, block)
5
hold up(verb, expression, phrasal verb, support, hold)
5
prop up(verb, expression, phrasal verb, support, increase)
5
rest(noun, verb, hold, block, back)
5
stanchion(noun, support, hold, block, back)
5
strut(noun, verb, support, hold, maintain)
5
temper(verb, close, set, fix, settle)
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APASmart Define. (2015). buttress thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/buttress/thesaurus/synonyms
ChicagoSmart Define. 2015. "buttress thesaurus" https://smartdefine.org/buttress/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, buttress thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/buttress/thesaurus/synonyms>.
MLASmart Define. "buttress thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/buttress/thesaurus/synonyms>