52 entries under investigation topic. ×

4
study(noun, verb, check, prepare, practice)
4
exercise(noun, action, measure, test, trial)
4
inquiry(noun, study, check, review, approval)
4
rehearsal(noun, test, preparation)
4
speculation(noun, test)
4
tryout(noun, study, go, work, check)
3
enterprise(noun, responsibility, job, test, trial)
3
measure(noun, verb, action, check, question)
3
operation(noun, action, measure, exercise, test)
3
research and development(noun, expression, idiom, study, struggle)
3
scrutiny(noun, study, check, review, approval)
3
verification(noun, check, approval, examination, test)
2
agreement(noun, test)
2
R and D(noun, expression, idiom, study, struggle)
2
dissection(noun, study, check, test, trial)
2
dry run(noun, verb, expression, go, work)
2
observation(noun, study, check, test, trial)
2
quiz(noun, verb, study, check, examine)
1
blue book(noun, expression, study, check, review)
1
canvass(noun, verb, study, check, review)
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APASmart Define. (2015). experiment thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/experiment/thesaurus/synonyms
ChicagoSmart Define. 2015. "experiment thesaurus" https://smartdefine.org/experiment/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, experiment thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/experiment/thesaurus/synonyms>.
MLASmart Define. "experiment thesaurus" 13 November 2015. Web. 28 September 2026. <https://smartdefine.org/experiment/thesaurus/synonyms>