1
inquiring mind(noun, expression, regard, concern, interest)
1
inquiringness(noun, regard, concern, interest, understand)
1
inquisitiveness(noun, regard, concern, interest, understand)
1
inspectorate
1
interest(noun, regard, concern, understand, keenness)
1
interestingness(noun, regard, concern, interest, understand)
1
interrogating
1
interrogatory(noun, review, request, judgment, query)
1
intrusiveness(noun, regard, concern, interest, understand)
1
investigation survey(expression, examination, survey)
1
investigative
1
investigative bureau
1
joint discussion
1
kite-flying
1
legislative investigation
1
lesson(noun, study, class, exercise, subject)
1
lessons(noun, education, training, learning, schoolwork)
1
lick(noun, check, struggle, approval, examination)
1
logical analysis
1
logical discussion
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APASmart Define. (2015). investigation thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/investigation/thesaurus/synonyms
ChicagoSmart Define. 2015. "investigation thesaurus" https://smartdefine.org/investigation/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, investigation thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/investigation/thesaurus/synonyms>.
MLASmart Define. "investigation thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/investigation/thesaurus/synonyms>