3
tax(verb, get, dispute, provoke, try)
3
trace(verb, examine, look, seek, search)
3
traverse(search, explore)
3
troubleshoot
2
air
2
give the third degree(verb, expression, idiom, check, examine)
2
hit(verb, examine, challenge, demand, request)
2
accost(verb, get, dispute, provoke, demand)
2
argue(verb, run, agitate, inspect, stump)
2
arouse(verb, get, dispute, provoke, try)
2
ask for(expression, get, dispute, provoke, try)
2
assert(verb, get, dispute, provoke, demand)
2
bug(verb, check)
2
call for(expression, get, dispute, provoke, try)
2
candle(study, check, consider, correct, examine)
2
cat(verb, turn, produce, clean, discover)
2
chew over(expression, study, check, consider, favor)
2
confirm(verb, check, consider, correct, examine)
2
confront(verb, get, oppose, fight, dispute)
2
count(noun, verb, study, consider, correct)
10 years ago|22k views|share |citing 
APASmart Define. (2016). investigate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 27 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>