50 entries under sound topic. ×

0
irrefutable(reasonable, rational)
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just(good, right, reasonable, rational)
0
justifiable(reasonable, rational)
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kosher(good, right, reasonable, rational)
0
lawful(good, right, reasonable, rational)
0
legal(good, right, reasonable, rational)
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legit(good, right, reasonable, rational)
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legitimate(good, right, reasonable, rational)
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logical(good, right, reasonable, rational)
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official(good, right, reasonable, rational)
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original(good, right, reasonable, rational)
0
persuasive(good, right, reasonable, rational)
0
proven(reasonable, rational)
0
pure(good, right, reasonable, rational)
0
rational
0
reasonable
0
right(good, reasonable, rational, genuine)
0
solid(good, right, reasonable, rational)
0
stringent(good, right, reasonable, rational)
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substantial(good, right, reasonable, rational)
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APASmart Define. (2015). in force thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/in_force/thesaurus/synonyms
ChicagoSmart Define. 2015. "in force thesaurus" https://smartdefine.org/in_force/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, in force thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_force/thesaurus/synonyms>.
MLASmart Define. "in force thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/in_force/thesaurus/synonyms>