adj. designed to find information or ascertain facts; "a fact-finding committee"; "investigative reporting"

adj. inquiring or appearing to inquire; "an inquiring look"; "the police are proverbially inquisitive"

adj. having the authority to conduct official investigations; "the inquisitorial power of the Senate"

adj. marked by inquisitive interest; especially suggestive of an ecclesiastical inquisitor; "the press was inquisitorial to the point of antagonism"; "a practical police force with true inquisitorial talents"- Waldo Frank

adj. diligent and thorough in inquiry or investigation; "a probing inquiry"; "a searching investigation of their past dealings"