21 entries under authentic topic. ×

19
initial(adjective, start, simple, plain, head)
16
beginning(noun, adjective, start, simple, plain)
13
opening(adjective, head, beginning, original, basic)
7
early(adjective, simple, head, beginning, opening)
7
inceptive(adjective, start, head, beginning, fresh)
6
aboriginal(adjective, head, beginning, original, prime)
5
primeval(adjective, head, beginning, original, prime)
5
rudimental(adjective, beginning, first, previous)
5
starting(adjective, beginning, opening, prime)
4
infant(adjective, beginning, opening, original)
3
commencing(adjective, start, beginning, opening, original)
3
pioneer(adjective, head, beginning, original, prime)
2
autochthonous(first, previous, initial, earliest)
1
earliest(beginning, opening, original, first)
1
first-hand(first, previous, initial, inchoate)
1
pristine(adjective, head, beginning, original, prime)
1
underivative(fundamental, first, previous, initial)
1
underived(first, previous, initial, inchoate)
0
archetypal(first, previous, initial, earliest)
0
genuine(first, previous, initial, earliest)
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APASmart Define. (2015). introductory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/introductory/thesaurus/synonyms
ChicagoSmart Define. 2015. "introductory thesaurus" https://smartdefine.org/introductory/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, introductory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/introductory/thesaurus/synonyms>.
MLASmart Define. "introductory thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/introductory/thesaurus/synonyms>