129 entries under sober topic. ×

9
deliberative(adjective, reasonable, keen, care, thought)
9
earnest(adjective, dull, quiet, kind, severe)
9
grave(adjective, set, severe, honest, gloomy)
8
deliberate(adjective, quiet, set, kind, sound)
8
preoccupied(adjective, reasonable, keen, deep, caring)
7
alert(adjective, care, careful, cautious)
7
calculating(adjective, reasonable, sensible, restrained, alert)
7
engrossed(adjective, reasonable, keen, deep, rational)
7
provident(adjective, care, deliberate, alert, careful)
7
reasonable(adjective, good, kind, sound, gentle)
7
solemn(adjective, dull, quiet, severe, honest)
6
absorbed(adjective, reasonable, keen, deep, rational)
6
deep(adjective, good, keen, sensible, fair)
6
logical(adjective, good, sound, reasonable, sensible)
6
melancholy(adjective, reasonable, keen, deep)
6
reflecting(adjective, reasonable, keen, deep)
6
sensible(adjective, good, sound, reasonable, sharp)
6
tolerant(adjective, good, understanding, kind, sound)
5
meticulous(adjective, deliberate, alert, careful, precise)
5
particular(adjective, care, cautious, prudent)
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APASmart Define. (2016). thoughtful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/thoughtful/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtful thesaurus" https://smartdefine.org/thoughtful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, thoughtful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thoughtful/thesaurus/synonyms>.
MLASmart Define. "thoughtful thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/thoughtful/thesaurus/synonyms>