3
introductory(adjective, opening, first, starting, preliminary)
2
anterior
2
first
2
inaugural
2
inductive(opening, first, starting, preliminary, inchoate)
2
initiatory
2
precursory(opening, first, starting, preliminary, inchoate)
2
prefatory
2
preliminary
2
preparatory
2
prior
1
antecedent
1
basic
1
beginning
1
chief
1
early
1
elementary
1
foremost
1
headmost
1
incipient
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APASmart Define. (2015). proemial thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/proemial/thesaurus/synonyms
ChicagoSmart Define. 2015. "proemial thesaurus" https://smartdefine.org/proemial/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, proemial thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/proemial/thesaurus/synonyms>.
MLASmart Define. "proemial thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/proemial/thesaurus/synonyms>