133 entries under investigate topic. ×
| delve into(verb, expression, phrasal verb, study, check) | |
| check out(verb, expression, phrasal verb, study, check) | |
| delve(verb, action, study, consider, examine) | |
| dig(verb, action, study, consider, examine) | |
| dig into(verb, expression, study, check, consider) | |
| prove(verb, study, check, consider, observe) | |
| scan(noun, verb, study, check, consider) | |
| scout(verb, study, check, consider, examine) | |
| sift(verb, action, study, check, consider) | |
| trial(noun, verb, study, check, measure) | |
| verify(verb, examine, try, test) | |
| appraise(verb, study, check, consider, criticize) | |
| check up(verb, expression, phrasal verb, study, check) | |
| consider(verb, study, check, criticize, observe) | |
| consult(verb, study, examine, search) | |
| go into(verb, expression, action, study, check) | |
| look over(verb, expression, study, check, consider) | |
| pore over(verb, expression, study, check, consider) | |
| question(noun, verb, study, check, consider) | |
| scrutinise |
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| APA | Smart Define. (2015). research thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/research/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "research thesaurus" https://smartdefine.org/research/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, research thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/research/thesaurus/synonyms>. |
| MLA | Smart Define. "research thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/research/thesaurus/synonyms> |