81 entries under original topic. ×

1
anterior(adjective, head, beginning, opening)
1
axiological(important, significant, basic, vital)
1
axiomatic(important, significant, basic, vital)
1
beginning(adjective, head, opening, prime)
1
bottom(adjective, important, significant, essential)
1
deep(adjective, basic, primary)
1
deep-seated(adjective, basic, absolute, fundamental)
1
early(adjective, head, beginning, opening)
1
first-class(quality, superior, heavy, best)
1
foundational(important, significant, basic, vital)
1
front(adjective, head, beginning, opening)
1
grass-roots(important, significant, basic, vital)
1
inaugural(adjective, head, beginning, opening)
1
inceptive(adjective, head, beginning, opening)
1
incipient(adjective, head, beginning, opening)
1
initial(adjective, head, beginning, opening)
1
introductory(adjective, head, beginning, opening)
1
least(adjective, head, beginning, opening)
1
meat-and-potatoes(important, significant, essential, critical)
1
nitty-gritty(adjective, important, essential, critical)
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APASmart Define. (2015). cardinal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms
ChicagoSmart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, cardinal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>.
MLASmart Define. "cardinal thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms>