137 entries under investigate topic. ×

1
unearth(verb, action, determine, follow, discover)
0
case(examine, search, inspect, hunt)
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consult(study, search, hunt)
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do research(expression, study)
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do tests(expression, study)
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follow a line of investigation(expression, idiom, study)
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make inquiries(expression, study, request, ask)
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observe(examine, search, inspect, hunt)
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play around with(expression, idiom, study)
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read up on(expression, idiom, study)
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reconnoiter(verb, examine, discover, travel, search)
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run reconnaissance(expression, examine, search, inspect)
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rustle up(expression, examine, search, inspect)
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spot(verb, examine, discover, find, search)
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stake out(expression, examine, search, inspect)
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take in(expression, examine, search, inspect)
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watch(examine, search, inspect, hunt)
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APASmart Define. (2016). seek thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/seek/thesaurus/synonyms
ChicagoSmart Define. 2016. "seek thesaurus" https://smartdefine.org/seek/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, seek thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/seek/thesaurus/synonyms>.
MLASmart Define. "seek thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/seek/thesaurus/synonyms>