12 entries under act topic. ×

5
opening(noun, adjective, start, process)
4
beginning(noun, adjective, start, process)
3
commencement(noun, start, process, beginning)
3
inauguration(noun, start, process, beginning)
3
inception(noun, start, process, beginning)
3
incipience(noun, start, process, beginning)
3
incipiency(noun, start, process, beginning)
3
initiation(noun, start, process, beginning)
3
kickoff(noun, start, informal, process)
3
origination(noun, start, process, beginning)
2
launch(noun, start, process, beginning)
2
start(noun, start, process, 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>