1
sane(adjective, sound, sensible, rational, intelligent)
1
serviceable
1
sincere(adjective, close, open, correct, reasonable)
1
slick
1
sober(adjective, sound, sensible, rational, intelligent)
1
square(open, honest, sensible, straight, reliable)
1
stable(adjective, reasoning, intellectual, mental)
1
steadfast(adjective, close, correct, honest, solid)
1
strong(sound, reasonable, rational, realistic, persuasive)
1
subconscious(reasoning, intellectual, mental)
1
suitable
1
there(open, honest, sensible, solid, reliable)
1
thought-out(adjective, sound, sensible, rational, intelligent)
1
thoughtful(adjective, sound, sensible, rational, intelligent)
1
together(adjective, sound, sensible, rational, intelligent)
1
tolerant(adjective, sound, sensible, rational, intelligent)
1
true(adjective, close, open, correct, honest)
1
true-blue(adjective, close, open, correct, honest)
1
true blue(honest, sensible, realistic, reliable, mature)
1
trustable(open, honest, sensible, solid, reliable)
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APASmart Define. (2015). believable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/believable/thesaurus/synonyms
ChicagoSmart Define. 2015. "believable thesaurus" https://smartdefine.org/believable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, believable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/believable/thesaurus/synonyms>.
MLASmart Define. "believable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/believable/thesaurus/synonyms>