1
launch(verb, action, doing, affair)
1
leadoff(noun, start, begin, prime, first)
1
lowly(adverb, how, when, where)
1
mains(noun, start, begin, prime, first)
1
majored(verb, action, doing, affair)
1
majorly(adverb, how, when, where)
1
onetime(adjective, feature, quality, which)
1
onset(noun, start, begin, prime, first)
1
openingly(adverb, how, when, where)
1
origin(noun, start, begin, prime, first)
1
original(adjective, feature, quality, which)
1
overridingly(adverb, how, when, where)
1
pivotally(adverb, how, when, where)
1
place(noun, start, begin, prime, first)
1
pre(adverb, how, when, where)
1
preeminent(adjective, feature, quality, which)
1
prefatorily(adverb, how, when, where)
1
preferentially(adverb, how, when, where)
1
prehistorically(adverb, how, when, where)
1
premierly(adverb, how, when, where)
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APASmart Define. (2015). firstly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firstly/thesaurus/related
ChicagoSmart Define. 2015. "firstly thesaurus" https://smartdefine.org/firstly/thesaurus/related (accessed September 21, 2026).
HarvardSmart Define 2015, firstly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firstly/thesaurus/related>.
MLASmart Define. "firstly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/firstly/thesaurus/related>