94 entries under original topic. ×

2
inchoate(start, beginning, opening, first)
2
infant(beginning, opening, first, primary)
2
initiative(start, beginning, opening, first)
2
nub(noun, adjective, cause, start, base)
2
primogenial(adjective, head, beginning, opening)
2
substratal(adjective, clear, simple, plain, important)
2
substrative(adjective, important, essential, basic)
2
sustaining(adjective, important, basic, primary)
1
ahead(adjective, head, beginning, opening)
1
antecedent(noun, adjective, support, action, base)
1
anterior(adjective, head, beginning, opening)
1
commencing(start, beginning, opening, first)
1
earliest(simple, top, beginning, opening)
1
early(adjective, simple, rough, head, beginning)
1
front(adjective, head, beginning, opening)
1
head(adjective, beginning, opening, prime)
1
headmost(adjective, head, beginning, opening)
1
highest(adjective, serious, essential, basic)
1
latent(adjective, characteristic, natural, essential)
1
least(adjective, head, beginning, prime)
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APASmart Define. (2016). fundamental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms>