203 entries under study topic. ×

5
check up(verb, expression, phrasal verb, check)
5
comb(verb, check, separate, consider)
5
contemplate(verb, check, consider, favor)
5
determine(verb, get, disease, observe)
5
dig into(verb, expression, check, separate)
5
poke(verb, check, examine, dig)
5
read(verb, check, consider, observe)
5
reconnoiter(verb, check, consider, observe)
4
spy(verb, check, consider, sound)
4
ascertain(verb, get, determine, correct)
4
catechize(verb, check, observe, examine)
4
check over(verb, expression, phrasal verb, check)
4
discuss(verb, consider, examine, inquiry)
4
observe(verb, check, determine, follow)
4
practice(examine, review, discuss)
4
prospect(verb, action, check, separate)
4
prove(verb, check, consider, see)
4
winnow(verb, check, separate, consider)
3
appraise(verb, get, check, consider)
3
audit(verb, check, consider, correct)
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APASmart Define. (2016). investigate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 25 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>