62 entries under noun topic. ×

5
opening(adjective, act, start, process)
4
beginning(adjective, act, start, process)
3
commencement(act, start, process, beginning)
3
inauguration(act, start, process, beginning)
3
inception(act, start, process, beginning)
3
incipience(act, start, process, beginning)
3
incipiency(act, start, process, beginning)
3
initiation(act, start, process, beginning)
3
kickoff(act, start, informal, process)
3
origination(act, start, process, beginning)
2
launch(act, start, process, beginning)
2
onset
2
origin
2
start(act, start, process, beginning)
2
starting point
2
threshold
2
top
1
alpha
1
base
1
basis
13 years ago|3.4k views|share |citing 
APASmart Define. (2013). leadoff thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/leadoff/thesaurus/synonyms
ChicagoSmart Define. 2013. "leadoff thesaurus" https://smartdefine.org/leadoff/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, leadoff thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/leadoff/thesaurus/synonyms>.
MLASmart Define. "leadoff thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/leadoff/thesaurus/synonyms>