74 entries under source topic. ×

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seed(cause, influence, connection, derivation)
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starting point(expression, cause, derivation)
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wellspring(person, cause, influence, derivation)
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alpha(cause, derivation)
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base(cause, influence, derivation, ancestry)
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basis(cause, derivation)
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beginning(cause, derivation)
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birth(cause, derivation, background, ancestry)
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blast off(expression, cause, derivation)
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causality(cause, connection, derivation, ancestry)
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causation(cause, influence, derivation, ancestry)
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cause(person, influence, derivation, father)
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commencement(cause, derivation)
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connection(cause, derivation, ancestry)
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creation(cause, derivation)
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dawn(cause, derivation)
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dawning(cause, derivation)
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day one(expression, cause, derivation)
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early stage(expression, cause, derivation)
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element(cause, derivation)
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APASmart Define. (2016). progenitor thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/progenitor/thesaurus/synonyms
ChicagoSmart Define. 2016. "progenitor thesaurus" https://smartdefine.org/progenitor/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, progenitor thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/progenitor/thesaurus/synonyms>.
MLASmart Define. "progenitor thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/progenitor/thesaurus/synonyms>