194 entries under noun topic. ×

6
factor(feature, influence, reason, issue)
6
foregoer(sign, indication, origin, descent)
6
harbinger
6
pioneer(adjective, head, beginning, original)
5
antecessor(sign, original, origin, descent)
5
ascendent
5
avant-garde(prelude, precursor)
5
beginning(adjective, cause, reason, base)
5
origin(cause, reason, base, matter)
5
reason(feature, support, action, cause)
4
base(support, action, cause, reason)
4
causation(cause, reason, base, element)
4
foremother(origin, kin, descent, background)
4
herald
4
history(old, past, foretime)
4
motive(cause, reason, object, base)
4
primogenitor(origin, descent, background, relative)
4
yesteryear(old, past, foretime)
3
background(support, action, base, beginning)
3
bygone(adjective, old, past, foretime)
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APASmart Define. (2016). antecedent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/antecedent/thesaurus/synonyms
ChicagoSmart Define. 2016. "antecedent thesaurus" https://smartdefine.org/antecedent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, antecedent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/antecedent/thesaurus/synonyms>.
MLASmart Define. "antecedent thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/antecedent/thesaurus/synonyms>