48 entries under action topic. ×

33
base(noun, organization, support, part)
13
root(noun, organization, support, cause)
11
underpinning(noun, organization, support, cause)
8
basis(noun, organization, support, cause)
6
substratum(noun, support, cause, start)
5
footing(noun, organization, support, cause)
5
bedrock(noun, support, cause, start)
3
support(noun, organization, substance, authority)
2
heart(noun, support, cause, start)
2
principle(noun, support, base, beginning)
2
reason(noun, support, cause, start)
1
backing(noun, support, base, beginning)
1
backbone(noun, support, base, beginning)
1
background(noun, organization, support, base)
1
antecedent(noun, support, cause, reason)
1
assumption(noun, support, base, beginning)
1
authority(noun, support, substance, base)
1
axiom(noun, support, base, beginning)
1
cause(noun, support, start, reason)
1
center(noun, support, cause, start)
<123>
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APASmart Define. (2015). infrastructure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/infrastructure/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrastructure thesaurus" https://smartdefine.org/infrastructure/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, infrastructure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/infrastructure/thesaurus/synonyms>.
MLASmart Define. "infrastructure thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/infrastructure/thesaurus/synonyms>