4
foremother(noun, kin, precede, predecessor)
4
antecessor(noun, precursor, predecessor)
4
foregoer(noun, predecessor)
4
origin(noun, person, cause, base, beginning)
4
precedent(noun, precursor)
4
source(noun, person, cause, base, beginning)
4
stock(cause, influence, connection, source, origin)
4
trailblazer(noun, precursor)
3
avant-garde(noun, precursor)
3
begetter(noun, person, relative, author, pop)
3
forebearer(noun, sign, relative, author, pop)
3
lineage(noun, kinship)
3
procreator(noun, person, relative, author, pop)
3
scout(noun, precursor)
2
ancestry(noun, cause, influence, line, base)
2
base(noun, cause, influence, source, derivation)
2
basis(noun, cause, source, derivation)
2
beginning(noun, cause, source, derivation)
2
blood(noun, line, stock, origin, descent)
2
elder(noun, person, head, boss, father)
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APASmart Define. (2015). ancestor thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ancestor/thesaurus/synonyms
ChicagoSmart Define. 2015. "ancestor thesaurus" https://smartdefine.org/ancestor/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, ancestor thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ancestor/thesaurus/synonyms>.
MLASmart Define. "ancestor thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/ancestor/thesaurus/synonyms>