21 entries under certainly topic. ×

19
naturally(adverb, interjection, good, fine, absolutely)
10
positively(adverb, interjection, good, fine, absolutely)
10
surely(adverb, good, fine, well, absolutely)
9
definitely(adverb, interjection, absolutely, agreed)
8
indubitably(adverb, interjection, good, naturally)
8
obviously(adverb, absolutely, positively, clearly)
6
yes(adverb, interjection, good, fine, true)
5
indeed(adverb, well, absolutely, really)
5
undoubtedly(adverb, good, fine, absolutely)
3
all right(expression, adverb, interjection, good, fine)
3
necessarily(adverb, inevitably)
3
sure(adverb, interjection, fine, absolutely, really)
2
doubtless(adverb, likely)
2
fine(adverb, interjection, good, true, sure)
2
okay(adverb, interjection, good, fine, true)
2
precisely(good, fine, well, absolutely)
2
unquestionably(adverb, good, fine, doubt, well)
2
without fail(expression, good, fine, exactly)
2
yep(adverb, interjection, good, fine, true)
1
agreed(adverb, interjection, good, fine, true)
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APASmart Define. (2015). of course thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/of_course/thesaurus/synonyms
ChicagoSmart Define. 2015. "of course thesaurus" https://smartdefine.org/of_course/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, of course thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/of_course/thesaurus/synonyms>.
MLASmart Define. "of course thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/of_course/thesaurus/synonyms>