133 entries under noun topic. ×

20
reflection(study, act, understanding, philosophy)
18
consideration(study, understanding, dispute, attention)
18
thought(study, act, philosophy, reason)
17
deliberation(study, act, understanding, philosophy)
15
rumination(study, act, understanding, philosophy)
14
contemplation(study, act, understanding, philosophy)
13
study(understanding, philosophy, idea, attention)
11
meditation(study, act, understanding, philosophy)
11
cerebration(act, understanding, philosophy, idea)
11
speculation(act, understanding, process, attention)
10
thinking(understanding, philosophy, reason, idea)
8
pondering(study, understanding, class, exercise)
7
brainwork(act, understanding, process, attention)
7
deduction(understanding, reason, attention, conclusion)
7
reasoning(study, understanding, philosophy, idea)
6
debate(study, dispute, class, exercise)
6
musing(study, understanding, philosophy, idea)
5
attention(study, understanding, class, exercise)
5
brooding(thought, consideration, thinking, vagueness)
4
lucubration(thought, advisement)
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APASmart Define. (2015). cogitation thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cogitation/thesaurus/synonyms
ChicagoSmart Define. 2015. "cogitation thesaurus" https://smartdefine.org/cogitation/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, cogitation thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cogitation/thesaurus/synonyms>.
MLASmart Define. "cogitation thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/cogitation/thesaurus/synonyms>