36 entries under opening topic. ×

19
initial(adjective, start, simple, plain, head)
17
prefatory(adjective, start, simple, words)
14
incipient(adjective, start, head, beginning)
14
inaugural(adjective, head, beginning, original)
13
primary(adjective, simple, plain, head, beginning)
12
basic(adjective, start, simple, plain, head)
11
first(adjective, order, beginning, fresh)
11
fundamental(adjective, start, simple, plain, head)
10
preparative(adjective, basic, first, previous)
9
elementary(adjective, simple, plain, head, beginning)
9
initiatory(adjective, start, beginning, original)
7
early(adjective, simple, head, beginning)
7
initiative(noun, start, beginning, original)
7
nascent(adjective, start, beginning, original)
7
prelusive(adjective, basic, first, previous)
7
proemial(adjective, beginning, first, precedence)
6
embryonic(adjective, simple, beginning, original)
5
inductive(adjective, start, basic, first)
5
starting(adjective, beginning, prime, authentic)
4
elemental(adjective, simple, straightforward, basic)
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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>