173 entries under noun topic. ×

1
postulate(support, action, base, beginning)
1
premise(support, action, cause, reason)
1
preparation(base, basis)
1
presumption(support, action, base, beginning)
1
presupposition(support, action, base, beginning)
1
principal element(expression, support, action, base)
1
proof(support, action, cause, reason)
1
rafter(support, stay, bar, prop)
1
rampart(hold, block, back, base)
1
rest(support, hold, block, back)
1
rib(support, hold, block, back)
1
rod(hold, block, back, base)
1
sanction(support, action, base, beginning)
1
security(support, action, base, beginning)
1
skid(support, stay, bar, prop)
1
source(support, action, cause, start)
1
splice(support, stay, bar, prop)
1
staff(support, stay, bar, prop)
1
stake(support, hold, block, back)
1
stanchion(support, hold, block, back)
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APASmart Define. (2015). underpinning thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, underpinning thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>.
MLASmart Define. "underpinning thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms>