6
inauguration(noun, cause, start, beginning, opening)
6
justification(noun, cause, reason, substance, base)
6
keystone(noun, base, beginning, source, essential)
6
pillar(noun, support, hold, block, back)
6
rest(noun, support, hold, block, back)
6
warrant(noun, cause, reason, base, true)
5
beginning(noun, cause, start, reason, base)
5
constitution(noun, act, start, plan, development)
5
fabric(noun, plan, development, system, structure)
5
foundation garment(noun, expression, idiom, undergarment)
5
grounds(noun, concept, understanding, philosophy, cause)
5
instauration
5
introduction(noun, cause, beginning, opening, origin)
5
pedestal(noun, support, rest, base, stand)
5
preparation(noun, start, plan, development, resolve)
5
rudiment(noun, law, base, beginning, source)
5
seat(noun, support, cause, start, reason)
5
society(noun, organization, business, establishment, institution)
5
sole(noun, bottom)
5
start(noun, cause, base, beginning, opening)
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APASmart Define. (2015). foundation thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, foundation thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>.
MLASmart Define. "foundation thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms>