137 entries under foundation topic. ×

4
crux(adjective, organization, support, action, quality)
4
germ(noun, quality, cause, start, character)
4
prop(noun, verb, support, hold, maintain)
4
starting point(noun, expression, idiom, cause, start)
4
stay(noun, verb, support, hold, make)
3
background(noun, organization, support, action, study)
3
beginning(noun, cause, start, well, stock)
3
buttress(noun, verb, hold, maintain, block)
3
essential(noun, support, action, part, beginning)
3
nucleus(noun, support, action, quality, body)
3
seating(noun, support, rest, stand)
3
theory(noun, concept, support, action, philosophy)
3
underneath(noun, lower, mediocre, ground)
2
authority(noun, support, action, part, substance)
2
backbone(noun, support, action, part, quality)
2
bedding(noun, hold, block, back)
2
block(noun, support, hold, back)
2
column(noun, hold, block, back)
2
creation(noun, cause, beginning, source)
2
evidence(noun, support, action, part, cause)
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APASmart Define. (2015). base thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/base/thesaurus/synonyms
ChicagoSmart Define. 2015. "base thesaurus" https://smartdefine.org/base/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, base thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/base/thesaurus/synonyms>.
MLASmart Define. "base thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/base/thesaurus/synonyms>