[1] : The Collaborative International Dictionary of English v.0.48

inquisitorial \inquis`ito"rial\, a. cf. f. inquisitorial.
   1. pertaining to inquisition; making rigorous and unfriendly
      inquiry; searching; as, inquisitorial power. "illiberal
      and inquisitorial abuse." --f. blackburne.
      1913 webster

            he conferred on it a kind of inquisitorial and
            censorious power even over the laity, and directed
            it to inquire into all matters of conscience.
                                                  --hume.
      1913 webster

   2. pertaining to the court of inquisition or resembling its
      practices. "inquisitorial robes." --c. buchanan.
      1913 webster

[2] : WordNet (r) 2.0

inquisitorial
     adj 1: especially indicating a form of prosecution in which
            proceedings are secret and the accused is questioned
            by a prosecutor who acts also as the judge ant: accusatorial
     2: 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
     3: having the authority to conduct official investigations;
        "the inquisitorial power of the senate"
see also:
accusatorial 

Inquisitorial >> I Words
Inquisitorial, definition of term: Inquisitorial
inquisitorial_pag1.html