109 entries under reasonable topic. ×

1
allowable(adjective, proper, valid, legal)
1
analytic(clear, sound, sensible, rational)
1
analytical(adjective, clear, sound, honest)
1
clear(sound, sensible, rational, logical)
1
cogent(clear, sound, sensible, rational)
1
coherent(adjective, clear, sound, sensible)
1
commodious(good, fit, appropriate, acceptable)
1
commonsensical(clear, sound, sensible, rational)
1
compelling(clear, sound, sensible, rational)
1
confirmed(good, sound, right, rational)
1
congruent(clear, sound, sensible, rational)
1
consequent(clear, sound, sensible, rational)
1
consistent(clear, sound, sensible, rational)
1
convincing(clear, sound, sensible, pure)
1
correct(adjective, good, open, fit)
1
cut out for(expression, good, fit, appropriate)
1
deducible(clear, sound, sensible, rational)
1
discerning(clear, sound, sensible, rational)
1
discriminating(clear, sound, sensible, rational)
1
efficient(good, sound, right, honest)
11 years ago|4.9k views|share |citing 
APASmart Define. (2015). legit thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/legit/thesaurus/synonyms
ChicagoSmart Define. 2015. "legit thesaurus" https://smartdefine.org/legit/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, legit thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/legit/thesaurus/synonyms>.
MLASmart Define. "legit thesaurus" 5 May 2015. Web. 25 September 2026. <https://smartdefine.org/legit/thesaurus/synonyms>