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

judicature \ju"dicature\ ?; 135, n. f., fr. ll.
   judicatura.
   1913 webster
   1. the state or profession of those employed in the
      administration of justice; also, the dispensing or
      administration of justice.
      1913 webster

            the honor of the judges in their judicature is the
            king's honor.                         --bacon.
      1913 webster

   2. a court of justice; a judicatory. --south.
      1913 webster

   3. the right of judicial action; jurisdiction; extent
      jurisdiction of a judge or court.
      1913 webster

            our savior disputes not here the judicature, for
            that was not his office, but the morality, of
            divorce.                              --milton.
      1913 webster

[2] : WordNet (r) 2.0

judicature
     n 1: an assembly including one or more judges to conduct
          judicial business syn: court, tribunal
     2: the system of law courts that administer justice and
        constitute the judicial branch of government syn: judiciary,
         judicatory, judicial system
     3: the administration of law; the act of determining rights and
        assigning rewards or punishments; "justice deferred is
        justice denied" syn: justice
     4: the position of judge syn: judgship, judgeship
see also:
court tribunal judiciary judicatory judicial system justice 
judgship judgeship 

[3] : Moby Thesaurus II by Grady Ward, 1.0

29 moby thesaurus words for "judicature":
   areopagus, adjudgment, adjudication, arbitrament, arbitration,
   board, choice, council, court, court of arbitration,
   court of justice, court of law, curia, deeming, discrimination,
   forum, good judgment, inquisition, judging, judgment, judicatory,
   judicial process, judiciary, justice, law court, legal tribunal,
   the inquisition, the courts, tribunal

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

judicature. the state of those employed in the administration of justice, 
and in this sense it is nearly synonymous with judiciary. this term is also 
used to signify a tribunal; and sometimes it is employed to show the extent 
of jurisdiction, as, the judicature is upon writs of error, c. com. dig. 
parliament, l 1; and see com. dig. courts, a. 

Judicature >> J Words
Judicature, definition of term: Judicature
judicature_pag1.html