2
early(adjective, beginning)
2
first(adjective, beginning)
2
fundamental(adjective, beginning)
2
headmost(adjective, beginning)
2
initiative(adjective, beginning)
2
introductory(adjective, start, beginning)
2
launch(noun, act, start, process, beginning)
2
onset(noun, beginning)
2
origin(noun, beginning)
2
start(noun, act, start, process, beginning)
2
starting point(noun, beginning)
2
threshold(noun, beginning)
2
top(noun, beginning)
1
alpha(noun, beginning)
1
antecedent(adjective, beginning)
1
base
1
basis(noun, beginning)
1
begin
1
birth(noun, beginning)
1
creation(noun, beginning)
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APASmart Define. (2013). leadoff thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/leadoff/thesaurus/synonyms
ChicagoSmart Define. 2013. "leadoff thesaurus" https://smartdefine.org/leadoff/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, leadoff thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/leadoff/thesaurus/synonyms>.
MLASmart Define. "leadoff thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/leadoff/thesaurus/synonyms>