investigator
in·ves·ti·gator
noun
2.
someone who investigates
Origin
Attested in the mid‐16th century; from Latin investigator, from investigare, equivalent to investigate + -or.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.