30 entries under sober topic. ×

4
reasoning(adjective, reasonable, keen, deep, rational)
3
intellectual(adjective, reasonable, keen, deep, rational)
3
pondering(adjective, reasonable, keen, deep, thoughtful)
3
preoccupied(adjective, reasonable, keen, deep, rational)
3
rational(adjective, reasonable, keen, sensible, deep)
3
serious(adjective, reasonable, keen, deep, thoughtful)
3
wistful(adjective, reasonable, keen, deep, thoughtful)
2
engrossed(adjective, reasonable, keen, deep, rational)
2
reflecting(adjective, reasonable, keen, deep, thoughtful)
1
absorbed(adjective, reasonable, keen, deep, rational)
1
analytical(adjective, reasonable, keen, deep, rational)
1
brainy(adjective, reasonable, keen, deep, rational)
1
calculating(adjective, reasonable, keen, sensible, deep)
1
cerebral(adjective, reasonable, keen, deep, rational)
1
deep(adjective, reasonable, keen, rational, thoughtful)
1
discerning(adjective, reasonable, keen, sensible, deep)
1
earnest(adjective, reasonable, keen, deep, rational)
1
farsighted(adjective, reasonable, keen, deep, rational)
1
grave(adjective, reasonable, keen, deep, rational)
1
intent(adjective, reasonable, keen, deep, rational)
<12>
11 years ago|3k views|share |citing 
APASmart Define. (2015). cogitative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cogitative/thesaurus/synonyms
ChicagoSmart Define. 2015. "cogitative thesaurus" https://smartdefine.org/cogitative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, cogitative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cogitative/thesaurus/synonyms>.
MLASmart Define. "cogitative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/cogitative/thesaurus/synonyms>