70 entries under source topic. ×

12
well(noun, cause, start, point)
11
fount(noun, person, cause, start, rise)
11
wellspring(noun, person, cause, base, beginning)
10
origin(noun, person, cause, start, point)
9
root(noun, start, point, base, well)
9
spring(noun, person, cause, start, point)
8
fountain(noun, person, cause, start, point)
7
cause(noun, person, foundation, basis)
5
beginning(noun, cause, start, rise, point)
3
author(noun, person, cause, foundation)
3
father(noun, person, cause, foundation)
3
parent(noun, person, cause, start, point)
2
administrator(noun, person)
2
architect(noun, person)
2
creator(noun, person)
2
generator(noun, person)
2
inception(cause, rise, foundation, basis)
2
leader(noun, person)
2
mainspring(cause, quick, origin, stem)
2
maker(noun, person)
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APASmart Define. (2015). fountainhead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms
ChicagoSmart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fountainhead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>.
MLASmart Define. "fountainhead thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms>