95 entries under original topic. ×

3
incipient(adjective, head, beginning, opening)
3
nascent(adjective, start, pure, beginning, opening)
3
needful(adjective, significant, essential, vital)
3
predominant(adjective, important, significant, essential)
3
pristine(adjective, rough, head, beginning)
3
significant(adjective, important, essential, critical)
3
structural(adjective, material, important, natural)
2
axiomatic(adjective, important, vital, primary)
2
embryonic(simple, beginning, opening, fundamental)
2
foremost(adjective, top, important, significant)
2
germinal(beginning, opening, first, primary)
2
major(adjective, important, significant, essential)
2
pioneer(adjective, head, beginning, opening)
2
premier(adjective, head, beginning, opening)
2
substratal(adjective, simple, plain, important, significant)
2
theoretical(adjective, important, significant, essential)
1
ahead(adjective, head, beginning, opening)
1
antecedent(adjective, head, beginning, opening)
1
axiological(important, vital, primary)
1
bottom-line(adjective, important, significant, essential)
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APASmart Define. (2015). basic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basic/thesaurus/synonyms
ChicagoSmart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>.
MLASmart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms>