46 entries under basic topic. ×

15
sustaining(verb, adjective, important, significant, original)
3
fundamental(adjective, support, important, original)
2
bottom(important, inferior, significant, down, original)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(important, significant, original, vital)
1
basal(adjective, important, significant, original, essential)
1
bottom-line(important, significant, original, vital)
1
cardinal(adjective, important, significant, original, essential)
1
central(adjective, important, significant, original, essential)
1
constitutional(adjective, important, significant, original, essential)
1
constitutive(important, significant, original, vital)
1
crucial(adjective, important, significant, original, essential)
1
elemental(adjective, important, significant, original, essential)
1
elementary(adjective, important, significant, original, essential)
1
essential(adjective, important, significant, original)
1
first(adjective, important, significant, original, essential)
1
foundational(adjective, important, significant, original, essential)
1
grass-roots(adjective, important, significant, original, essential)
1
indispensable(adjective, important, significant, original, essential)
1
integral(adjective, important, significant, original, essential)
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APASmart Define. (2015). supporting thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/supporting/thesaurus/synonyms
ChicagoSmart Define. 2015. "supporting thesaurus" https://smartdefine.org/supporting/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, supporting thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/supporting/thesaurus/synonyms>.
MLASmart Define. "supporting thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/supporting/thesaurus/synonyms>