300 entries under idea topic. ×

8
intention(noun, form, concept, end, feeling)
8
prospect(noun, concept, belief, hope)
8
reason(noun, form, end, feeling, understanding)
8
solicitude(noun, concept, trouble, regard, concern)
7
anticipation(noun, study, feeling, plan)
7
concern(noun, concept, trouble, mark, respect)
7
expectation(noun, concept, study, feeling, plan)
7
hypothesis(noun, form, concept, end, feeling)
7
judgment(noun, form, concept, take, end)
7
memory(noun, feeling, ability, recall)
7
postulate(noun, view, attitude, belief)
7
reverie(noun, concept, study, desire, fancy)
7
speculation(noun, act, understanding, fancy, view)
7
understanding(noun, form, concept, take, end)
6
apprehension(noun, concept, take, feeling, understanding)
6
assumption(noun, concept, understanding, view, attitude)
6
estimation(noun, concept, favor, respect, view)
6
hope(noun, concept, plan, desire)
6
ideation(noun, philosophy, attention, consideration)
6
inference(noun, concept, feeling, understanding, mind)
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APASmart Define. (2016). thought thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thought/thesaurus/synonyms
ChicagoSmart Define. 2016. "thought thesaurus" https://smartdefine.org/thought/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thought thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thought/thesaurus/synonyms>.
MLASmart Define. "thought thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/thought/thesaurus/synonyms>