47 entries under verb topic. ×

4
bolsters(noun, supports)
4
buttresses(noun, supports)
4
props(noun, supports)
4
supports
3
backs(noun, supports)
2
corroborates
2
sustains
1
buttressing
1
confirms
1
defends
1
fortifies
1
hinges
1
patronizes
1
propping
1
subscribes
1
substantiates
1
suffers
1
tolerates
1
underlines
1
upholds
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APASmart Define. (2013). underpins thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underpins/thesaurus/synonyms
ChicagoSmart Define. 2013. "underpins thesaurus" https://smartdefine.org/underpins/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, underpins thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underpins/thesaurus/synonyms>.
MLASmart Define. "underpins thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/underpins/thesaurus/synonyms>