59 entries under base topic. ×

39
source(noun, law, regulation, company, person)
29
beginning(noun, action, cause, start, discharge)
25
start(noun, cause, start, rise)
23
root(noun, person, body, cause, start)
20
inception(noun, cause, start, top)
16
foundation(noun, law, regulation, body, cause)
13
derivation(noun, company, place, cause, start)
12
cause(noun, regulation, person, cause, start)
11
fountain(noun, cause, start, point)
11
parent(noun, verb, person, cause, start)
11
progenitor(noun, verb, person, cause)
10
basis(noun, law, body, cause, start)
10
author(noun, person, cause, reason)
10
fount(noun, cause, start, point)
9
motive(noun, verb, cause, start, reason)
9
producer(noun, verb, person, cause, reason)
8
principle(noun, law, cause, rule, reason)
7
agent(noun, verb, person, cause, reason)
7
creator(noun, verb, person, cause, reason)
7
element(noun, verb, cause, reason, thing)
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APASmart Define. (2015). origin thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/origin/thesaurus/synonyms
ChicagoSmart Define. 2015. "origin thesaurus" https://smartdefine.org/origin/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, origin thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/origin/thesaurus/synonyms>.
MLASmart Define. "origin thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/origin/thesaurus/synonyms>