90 entries under original topic. ×

2
inaugural(adjective, head, beginning, opening)
2
indispensable(adjective, characteristic, important, significant, natural)
2
infant(beginning, opening, first, previous)
2
initiative(beginning, opening, first, early)
2
leading(adjective, top, head, beginning)
2
major(important, significant, basic, vital)
2
opening(adjective, head, beginning, basic)
2
primeval(adjective, head, beginning, prime)
2
primogenial(adjective, head, beginning, fresh)
2
pristine(adjective, head, beginning, prime)
2
substratal(adjective, simple, plain, important, significant)
1
ahead(adjective, head, beginning, opening)
1
antecedent(adjective, head, beginning, opening)
1
axiological(important, significant, basic, vital)
1
axiomatic(important, significant, basic, vital)
1
bottom-line(adjective, important, significant, essential)
1
commencing(beginning, opening, first, previous)
1
deep-seated(adjective, characteristic, essential, basic)
1
earliest(simple, top, beginning, opening)
1
front(adjective, head, beginning, fresh)
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APASmart Define. (2015). elementary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/elementary/thesaurus/synonyms
ChicagoSmart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, elementary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/elementary/thesaurus/synonyms>.
MLASmart Define. "elementary thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/elementary/thesaurus/synonyms>