in-kwi-zish'-un (darash, "to follow," "diligently inquire," "question," "search" (De 19:18; Ps 9:12), baqash, "to search out," "to strive after," "inquire" (Es 2:23)): The term refers, as indicated by these passages, first of all to a careful and diligent inquiry necessary to ascertain the truth from witnesses in a court, but may also refer to a careful examination into circumstances or conditions without official authority.