77 entries under idea topic. ×

22
notice(noun, act, understanding, mark, see)
19
reflection(noun, note, talk, attention)
15
opinion(noun, take, order, feeling, understanding)
13
consideration(noun, check, mark, respect, note)
11
perception(noun, take, understanding, power, knowledge)
11
thought(noun, take, understanding, power, mark)
10
mention(noun, charge, note, taste, sign)
9
sentiment(noun, response, reaction, comeback)
8
conception(noun, take, power, spirit, mind)
7
consciousness(noun, take, feeling, understanding, power)
7
idea(noun, take, order, taste, sign)
7
image(noun, take, view, opinion)
7
information(noun, taste, sign, attention)
7
notion(noun, take, taste, sign, view)
5
advice(noun, taste, sign, suggestion)
5
apprehension(noun, take, understanding, power, respect)
5
impression(noun, take, taste, sign, view)
5
pointer(noun, taste, sign, suggestion)
4
announcement(noun, taste, sign, report)
4
concept(noun, take, feeling, understanding, taste)
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APASmart Define. (2016). observation thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observation/thesaurus/synonyms
ChicagoSmart Define. 2016. "observation thesaurus" https://smartdefine.org/observation/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, observation thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observation/thesaurus/synonyms>.
MLASmart Define. "observation thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/observation/thesaurus/synonyms>