151 entries under source topic. ×

8
initiation(noun, cause, start, beginning, opening)
7
derivation(noun, cause, start, base, suggestion)
7
heart(noun, law, body, cause, start)
6
inauguration(noun, cause, start, beginning, opening)
6
justification(noun, cause, reason, substance, base)
6
keystone(noun, base, beginning, essential)
6
warrant(noun, cause, reason, base, true)
5
beginning(noun, cause, start, reason, base)
5
grounds(noun, concept, understanding, philosophy, cause)
5
rudiment(noun, law, base, beginning)
5
seat(noun, support, cause, start, reason)
5
start(noun, cause, base, beginning, opening)
4
occasion(noun, cause, start, reason, base)
4
authority(noun, cause, strength, substance, base)
4
dawn(noun, cause, start, beginning, opening)
3
element(noun, law, cause, reason, matter)
3
inception(noun, cause, start, base, beginning)
3
nub(noun, body, cause, start, substance)
3
nucleus(noun, body, cause, start, substance)
3
starting point(noun, expression, idiom, cause, start)
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APASmart Define. (2015). foundation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, foundation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>.
MLASmart Define. "foundation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms>