37
precursor(noun, person, something, precede, precursor)
34
predecessor(noun, person, fake, copy, model)
30
forefather(noun, kin, precede, predecessor)
27
progenitor(noun, person, cause, influence, connection)
25
forebear(noun, origin, kin, descent, precede)
21
parent(noun, person, cause, influence, base)
20
forerunner(noun, person, herald, precede, precursor)
20
antecedent(noun, adjective, person, fake, copy)
19
father(noun, kin, precede, kinship, children)
18
primogenitor(noun, predecessor, forefather)
15
prototype(noun, original, example, precursor, forerunner)
14
ascendant(noun, kin, precede, predecessor, forefather)
12
sire(noun, father, paternity, forefather)
11
ascendent
9
root(noun, person, cause, source, derivation)
9
harbinger(noun, precursor)
8
founder(noun, precursor, predecessor, forefather)
8
grandfather(noun, paternity, grandsire)
7
dad(noun, person, individual, pop, antecedent)
4
pioneer(noun, precursor)
<1234510>
11 years ago|10k views|share |citing 
APASmart Define. (2015). ancestor thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ancestor/thesaurus/synonyms
ChicagoSmart Define. 2015. "ancestor thesaurus" https://smartdefine.org/ancestor/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ancestor thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ancestor/thesaurus/synonyms>.
MLASmart Define. "ancestor thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/ancestor/thesaurus/synonyms>