683 entries under noun topic. ×

2
genius(power, spirit, mind, reason)
2
honoring(celebration, acknowledgment, compliance, adherence)
2
ideation
2
illustration(note, report, crack, review)
2
immersion(interest, notice, attention, thought)
2
inkling(taste, sign, idea, suggestion)
2
input(note, crack, statement, mention)
2
insight(take, feeling, understanding, power)
2
instinct(power, spirit, mind, reason)
2
intellect(understanding, power, spirit, mind)
2
intellection(take, taste, view, attention)
2
intellectuality(power, spirit, mind, reason)
2
interest(mark, note, regard, notice)
2
introspection(view, review, look, attention)
2
intuition(understanding, power, spirit, mind)
2
matter of course(expression, idiom, style, rule)
2
meditation(consideration, thinking)
2
monitoring(attention, watch, examination, inspection)
2
notification
2
observing
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APASmart Define. (2016). observation thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/observation/thesaurus/synonyms
ChicagoSmart Define. 2016. "observation thesaurus" https://smartdefine.org/observation/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, observation thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/observation/thesaurus/synonyms>.
MLASmart Define. "observation thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/observation/thesaurus/synonyms>