179 entries under noun topic. ×

2
coal and ice(expression, idiom, part, important)
2
crux(support, action, cause, start)
2
desideratum(concern, demand, need, essential)
2
detail(drop, part, material, element)
2
first harmonic(expression, idiom)
2
footing(support, action, cause, start)
2
fundament
2
ground(law, regulation, cause, start)
2
nub(adjective, cause, start, base)
2
nucleus(support, action, cause, start)
2
ruling(adjective, law, regulation, important)
2
substratum(support, action, cause, start)
2
undercarriage
2
underpinning(support, action, cause, start)
1
action(law, support, rule, base)
1
antecedent(adjective, support, action, base)
1
aphorism(law, regulation, order, test)
1
apothegm(law, regulation, order, test)
1
assize(law, regulation, order, test)
1
authority(support, action, base, beginning)
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APASmart Define. (2016). fundamental thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms>