549 entries under verb topic. ×

2
look high and low(expression, idiom, check, sound)
2
make inquiry(expression, check, examine, challenge)
2
measure(see, examine, try, prove)
2
object to(expression, get, oppose, fight)
2
overlook(study, check, consider, correct)
2
peg(study, check, consider, examine)
2
penetrate(study, check, consider, turn)
2
petition(examine, challenge, seek, search)
2
pierce(study, check, consider, turn)
2
ponder(study, get, check, consider)
2
prod(examine, test, survey, dig)
2
provoke(get, dispute, demand, claim)
2
put through the wringer(expression, idiom, examine, challenge)
2
put to the question(expression, idiom, examine, challenge)
2
put to the test(expression, idiom, study, check)
2
raise question(expression, examine, challenge, seek)
2
rake(check, sound, turn, examine)
2
reclaim(get, dispute, provoke, try)
2
reconnoitre
2
report(examine, review, inspect, embrace)
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APASmart Define. (2016). investigate thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 30 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>