61 entries under adjective topic. ×

1
crucial(important, significant, original, basic)
1
elementary(important, significant, original, basic)
1
first(important, significant, original, basic)
1
grass-roots(important, significant, original, essential)
1
intrinsic(important, significant, original, basic)
1
key(important, significant, original, basic)
1
major(important, significant, original, basic)
1
meat-and-potatoes(important, significant, original, essential)
1
necessary(important, significant, original, basic)
1
original(important, significant, basic, vital)
1
paramount(important, significant, original, basic)
1
philosophy
1
primary(important, original, basic, vital)
1
prime(important, significant, original, basic)
1
primitive(important, significant, original, basic)
1
radical(important, original, basic, vital)
1
significant(important, original, basic, vital)
1
structural(important, significant, original, basic)
1
substratal(important, significant, original, essential)
1
substrative(important, significant, original, essential)
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APASmart Define. (2015). axiological thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/axiological/thesaurus/synonyms
ChicagoSmart Define. 2015. "axiological thesaurus" https://smartdefine.org/axiological/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, axiological thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/axiological/thesaurus/synonyms>.
MLASmart Define. "axiological thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/axiological/thesaurus/synonyms>