8
fundamental(adjective, start, simple, plain, head)
8
pioneer(adjective, start, head, beginning, original)
8
preliminary(adjective, simple, plain, beginning, opening)
8
primal(adjective, beginning)
8
prime(adjective, order, start, heavy, head)
8
primordial(adjective, start, head, beginning, fresh)
7
commencing(adjective, start, beginning, opening, original)
7
germinal(adjective, beginning, opening, fresh, original)
7
primitive(adjective, simple, plain, head, beginning)
6
sign(verb, name, check, mark, secure)
6
aboriginal(adjective, head, beginning, fresh, prime)
6
alpha(noun, adjective, beginning)
6
headmost(adjective, order, heavy, important, head)
6
inchoate(adjective, start, beginning, opening, original)
6
primeval(adjective, head, beginning, original, prime)
6
rudimentary(adjective, simple, plain, head, beginning)
5
antecedent(adjective, head, beginning, original, prime)
5
capital(noun, symbol, cap, uncial)
5
contract(verb, informal, terms)
5
infant(adjective, beginning, opening, original, authentic)
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APASmart Define. (2015). initial thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/initial/thesaurus/synonyms
ChicagoSmart Define. 2015. "initial thesaurus" https://smartdefine.org/initial/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, initial thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/initial/thesaurus/synonyms>.
MLASmart Define. "initial thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/initial/thesaurus/synonyms>