45 entries under hold topic. ×

17
foundation(noun, organization, support, cause)
15
base(noun, organization, support, action)
13
groundwork(noun, organization, support, cause)
8
buttress(noun, support, block, back)
8
footing(noun, organization, support, action)
8
prop(noun, support, block, back)
7
brace(noun, support, block, back)
6
backing(noun, verb, adjective, support, action)
6
substructure(noun, organization, support, block)
5
column(noun, support, block, back)
5
stay(noun, support, block, back)
5
substratum(noun, support, action, cause)
4
bed(noun, support, block, back)
4
reinforcement(noun, support, block, back)
3
shore(noun, support, block, back)
2
bedding(noun, block, back, base)
2
cornerstone(noun, block, back, base)
2
pillar(noun, support, block, back)
1
abutment(noun, support, block, back)
1
agency(noun, block, back, base)
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APASmart Define. (2015). underpinning thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, underpinning thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>.
MLASmart Define. "underpinning thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms>