Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
investīgātor, ōris, m. [investigo],
- I. he that searches or inquires into, an investigator (class.): acer et diligens rerum, Cic. Univ. 1, 1: antiquitatis, id. Brut. 15, 60: conjurationis, id. Sull. 30, 85.
- II. A contriver: malorum, Vulg. Prov. 11, 27.