6
foreword(noun, introduction, preface, prelude, preamble)
6
trial(noun, adjective, check, new, approval)
5
foregoing(adjective, precedence)
5
foremost(adjective, beginning, original, first, early)
5
groundwork(noun, beginning)
5
incipient(adjective, beginning, opening, original, first)
5
initiation(noun, beginning)
5
initiatory(adjective, opening, original, basic, first)
5
preamble(noun, beginning, opening, introduction, preface)
5
prelim
5
prelusive(precedence, precursor)
5
primal(adjective, beginning, initial, introductory)
5
proemial(precedence, precursor)
4
advance(noun, adjective)
4
anterior(adjective, precedence)
4
early(adjective, beginning, opening, original, first)
4
exordium(noun, introduction, preface, prelude, foreword)
4
experimental(adjective, new, trial, untried, tentative)
4
foundation(noun, beginning)
4
front matter(noun, pages)
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APASmart Define. (2015). preliminary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preliminary/thesaurus/synonyms
ChicagoSmart Define. 2015. "preliminary thesaurus" https://smartdefine.org/preliminary/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, preliminary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preliminary/thesaurus/synonyms>.
MLASmart Define. "preliminary thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/preliminary/thesaurus/synonyms>