82 entries under head topic. ×

1
inceptive(adjective, beginning, original, prime)
1
incipient(adjective, beginning, opening, original)
1
least(adjective, beginning, opening, original)
1
number one(noun, expression, adjective, pronoun)
1
numero uno(expression, adjective, beginning, prime)
1
opening(adjective, beginning, original, prime)
1
pace(verb, lead, anticipate, presage)
1
preliminary(adjective, original, first, previous)
1
presage(noun, verb, lead, anticipate)
1
previous(first, earlier, initial, prior)
1
primeval(adjective, beginning, original, prime)
1
primitive(adjective, wild, beginning, crude)
1
primogenial(adjective, beginning, opening, original)
1
principal(noun, adjective, guide, opening)
1
pristine(adjective, beginning, original, prime)
1
rank(verb, lead, anticipate, presage)
1
right up front(expression, adjective, idiom, beginning)
1
rudimentary(adjective, beginning, original, prime)
1
slightest(adjective, beginning, opening, original)
1
smallest(adjective, beginning, opening, original)
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APASmart Define. (2015). pioneer thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/pioneer/thesaurus/synonyms
ChicagoSmart Define. 2015. "pioneer thesaurus" https://smartdefine.org/pioneer/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, pioneer thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/pioneer/thesaurus/synonyms>.
MLASmart Define. "pioneer thesaurus" 17 December 2015. Web. 30 September 2026. <https://smartdefine.org/pioneer/thesaurus/synonyms>