36 entries under essential topic. ×

16
vital(adjective, importance, valuable, surface)
10
integral(adjective, importance, surface, main)
10
key(adjective, importance, valuable, main)
9
constitutional(adjective, important, significant, original)
9
fundamental(adjective, important, capital, critical)
5
basic(adjective, important, serious, critical)
5
important(adjective, importance, valuable, main)
4
cardinal(noun, adjective, important, critical)
4
elemental(adjective, important, significant, original)
3
intrinsic(adjective, important, significant, original)
2
decisive(important, critical, basic, fundamental)
2
main
2
underlying(important, original, basic, vital)
1
bottom-line(important, significant, original, critical)
1
coal-and-ice(important, critical, basic, fundamental)
1
critical(important, basic, fundamental, imperative)
1
crucial(important, significant, capital, critical)
1
heavy(important, critical, basic, fundamental)
1
imperative(important, capital, critical, basic)
1
indispensable(important, capital, critical, basic)
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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>