Synonyms|237Antonyms|13|Broader|10Narrower|0Related|88
1
birthplace(noun, cause, rise, authority, beginning)
1
center(person, cause, source, origin, father)
1
commencement(noun, cause, start, rise, authority)
1
foundation(cause, source, basis, origin, birth)
1
genesis(cause, start, rise, origin, birth)
1
germ(cause, source, origin)
1
header(noun, start, beginning, opening, introduction)
1
headstream
1
headwater
1
headwaters
1
headway
1
initiator(noun, person, source)
1
mine
1
mother
1
motive(cause, source, origin, upwelling)
1
nous
1
nucleus(noun, cause, source, origin)
1
occasion(cause, source, origin)
1
opening(noun, cause, start, rise, authority)
1
pass
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APASmart Define. (2015). fountainhead thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms
ChicagoSmart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, fountainhead thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>.
MLASmart Define. "fountainhead thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms>