7
weighty(adjective, importance, valuable, main, notable)
6
core(adjective, importance, main, extremely significant)
5
basic(adjective, important, serious, essential, critical)
5
important(adjective, importance, valuable, essential, main)
5
significant(adjective, importance, valuable, main, notable)
4
basal(adjective, important, original, serious, basic)
4
cardinal(noun, adjective, important, essential, critical)
4
elemental(adjective, important, significant, original, essential)
4
primary(important, original, serious, basic, prime)
3
elementary(adjective, important, significant, original, basic)
3
intrinsic(adjective, important, significant, original, essential)
3
primitive(adjective, important, significant, original, basic)
2
component
2
decisive(important, essential, critical, basic, fundamental)
2
inherent
2
main(adjective, essential)
2
original(important, significant, basic, vital, primary)
2
radical(important, original, basic, vital, primary)
2
underlying(important, original, essential, basic, vital)
1
ab ovo
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APASmart Define. (2015). constitutive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/constitutive/thesaurus/synonyms
ChicagoSmart Define. 2015. "constitutive thesaurus" https://smartdefine.org/constitutive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, constitutive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/constitutive/thesaurus/synonyms>.
MLASmart Define. "constitutive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/constitutive/thesaurus/synonyms>