130 entries under start topic. ×

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morning
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naissance
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offense(beginning, commencement)
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offensive(beginning, commencement)
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onfall(beginning, commencement)
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onrush(beginning, commencement)
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onslaught(beginning, commencement)
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pitch(noun, beginning, introduction)
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point(noun, beginning, introduction)
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prolog(noun, beginning, introduction)
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promontory(noun, beginning, introduction)
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puberty
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pubescence
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rush(beginning, commencement)
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seizure(beginning, commencement)
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services(beginning, onset, origination, initiation)
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startup(beginning, origination)
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streamer(noun, beginning, introduction)
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summit(noun, beginning, introduction)
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sunrise
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APASmart Define. (2016). opening thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/opening/thesaurus/synonyms
ChicagoSmart Define. 2016. "opening thesaurus" https://smartdefine.org/opening/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, opening thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/opening/thesaurus/synonyms>.
MLASmart Define. "opening thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/opening/thesaurus/synonyms>