2
historic(adjective, momentous, milestone, landmark)
2
initiating
2
innovating(adjective, leading-edge, innovative, influential, trailblazing)
2
introduction(noun, new, opening, something, preface)
2
inventive(adjective, development, breakthrough, innovating)
2
land clearing(expression, idiom)
2
landmark(momentous, milestone)
2
lead(opening, addition, establishment, previous, earlier)
2
leading(verb, head, previous, influential, earlier)
2
milestone(momentous, landmark)
2
modern(adjective, new, advanced, leading-edge, trailblazing)
2
opening(noun, addition, establishment, introduction, preface)
2
originating
2
preceding(verb, preceding)
2
revolutionary(adjective, original, innovative, influential, trailblazing)
2
trailblazing(adjective, development, breakthrough, innovating)
1
above
1
above-mentioned
1
above-named
1
activating
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APASmart Define. (2013). pioneering thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/pioneering/thesaurus/synonyms
ChicagoSmart Define. 2013. "pioneering thesaurus" https://smartdefine.org/pioneering/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, pioneering thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/pioneering/thesaurus/synonyms>.
MLASmart Define. "pioneering thesaurus" 28 June 2013. Web. 27 September 2026. <https://smartdefine.org/pioneering/thesaurus/synonyms>