1
duck soup(expression, simple, straightforward, basic, fundamental)
1
earlier(adjective, preceding)
1
earliest(beginning, opening, original, authentic, first)
1
easy(simple, straightforward, basic, fundamental, uncomplicated)
1
edifying
1
educating
1
educational
1
educative
1
emerging(adjective, beginning)
1
enlightening
1
erstwhile
1
essential(adjective, simple, straightforward, basic, fundamental)
1
exhortatory
1
exordial
1
facile(simple, straightforward, basic, fundamental, uncomplicated)
1
first-hand(authentic, first, previous, initial, inchoate)
1
first off(expression, adjective, head, beginning, prime)
1
forerunning
1
forward
1
genesis(adjective, beginning)
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APASmart Define. (2015). introductory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/introductory/thesaurus/synonyms
ChicagoSmart Define. 2015. "introductory thesaurus" https://smartdefine.org/introductory/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, introductory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/introductory/thesaurus/synonyms>.
MLASmart Define. "introductory thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/introductory/thesaurus/synonyms>