42 entries under thoughtful topic. ×

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assiduous(serious, reflective)
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attentive(serious, reflective)
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careful(sensible, intelligent, serious, sage)
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contemplative(sensible, intelligent, serious, sage)
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difficult(deep, reflective)
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diligent(serious, reflective)
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eager(serious, reflective)
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earnest(serious, reflective)
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grubbing(serious, reflective)
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hard-working(serious, reflective)
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heavy(deep, reflective)
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hermetic(deep, reflective)
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industrious(serious, reflective)
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meditative(serious, reflective)
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mysterious(deep, reflective)
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occult(deep, reflective)
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orphic(deep, reflective)
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reflective(sensible, deep, intelligent, serious)
0
secret(deep, reflective)
0
sedulous(serious, reflective)
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APASmart Define. (2015). erudite thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/erudite/thesaurus/synonyms
ChicagoSmart Define. 2015. "erudite thesaurus" https://smartdefine.org/erudite/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, erudite thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/erudite/thesaurus/synonyms>.
MLASmart Define. "erudite thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/erudite/thesaurus/synonyms>