33 entries under authentic topic. ×

14
plausible(adjective, sound, reasonable, slight, sensible)
12
credible(adjective, sound, reasonable, sensible, rational)
12
reasonable(adjective, sound, slight, honest, sensible)
10
believable(adjective, sound, reasonable, sensible, rational)
8
conceivable(adjective, reasonable, realistic, satisfying)
7
rational(adjective, sound, reasonable, honest, sensible)
6
imaginable(adjective, reasonable, realistic, satisfying)
6
possible(adjective, reasonable, realistic, satisfying)
5
likely(adjective, reasonable, realistic, satisfying)
4
acceptable(adjective, sound, reasonable, rational, realistic)
4
trustworthy(adjective, sound, reasonable, rational, realistic)
3
creditable(adjective, reasonable, realistic, satisfying)
3
presumptive(adjective, reasonable, realistic, satisfying)
3
reliable(adjective, sound, reasonable, rational, realistic)
2
colorable(reasonable, realistic, satisfying, convincing)
2
fiduciary(reasonable, realistic, satisfying, trustworthy)
2
probable(adjective, reasonable, realistic, satisfying)
2
trusty(reasonable, realistic, satisfying, convincing)
2
unquestionable(reasonable, realistic, satisfying, trustworthy)
1
realistic(adjective, sound, sensible, rational, practical)
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APASmart Define. (2015). tenable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tenable/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenable thesaurus" https://smartdefine.org/tenable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, tenable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tenable/thesaurus/synonyms>.
MLASmart Define. "tenable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/tenable/thesaurus/synonyms>