6
unvarnished(adjective, tough, honest, exact, rational)
5
documentary(adjective, being in fact)
5
proper(adjective, correct, right, appropriate, solid)
5
prosaic(adjective, simple, tough, plain, ordinary)
5
sure(adjective, clear, correct, pure, certain)
5
undoubted(adjective, sound, correct, right, exact)
5
unquestionable(adjective, correct, right, honest, perfect)
5
verified
4
candid(adjective, open, honest, true, straight)
4
earnest(adjective, true, real, truthful, indisputable)
4
empirical(adjective, reasonable, useful, real, practical)
4
evidential(adjective, informational)
4
frank(adjective, open, direct, correct, right)
4
incontestable(clear, certain, sure)
4
kosher(adjective, open, correct, right, honest)
4
practical(adjective, simple, tough, clean, plain)
4
solid(adjective, correct, reasonable, sensible, exact)
4
sure-enough(adjective, correct, right, honest, exact)
4
true to life(expression, adjective, idiom)
4
unbiased(adjective, correct, real)
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APASmart Define. (2016). factual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/factual/thesaurus/synonyms
ChicagoSmart Define. 2016. "factual thesaurus" https://smartdefine.org/factual/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, factual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/factual/thesaurus/synonyms>.
MLASmart Define. "factual thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/factual/thesaurus/synonyms>