The Collaborative International Dictionary of English v.0.48:

Judicial \Ju*di"cial\, a. [L. judicialis, fr. judicium judgment,
   fr. judex judge: cf. OF. judicial. See Judge.]
   [1913 Webster]
   1. Pertaining or appropriate to courts of justice, or to a
      judge; practiced or conformed to in the administration of
      justice; sanctioned or ordered by a court; as, judicial
      power; judicial proceedings; a judicial sale. "Judicial
      massacres." --Macaulay.
      [1913 Webster]

            Not a moral but a judicial law, and so was
            abrogated.                            --Milton.
      [1913 Webster]

   2. Fitted or apt for judging or deciding; as, a judicial
      mind; judicial temperament.
      [1913 Webster]

   3. Belonging to the judiciary, as distinguished from
      legislative, administrative, or executive. See
      Executive.
      [1913 Webster]

   4. Judicious. [Obs.] --B. Jonson.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

65 Moby Thesaurus words for "judicial":
   actionable, analytical, applicable, authorized, careful,
   circumspect, competent, considerate, constitutional, critical,
   curial, discerning, discreet, discriminating, discriminative,
   discriminatory, distinguishing, enlightened, fair, forensic,
   impartial, judgmatic, judgmental, judicative, judicatorial,
   judicatory, judiciary, judicious, juridic, juridical,
   jurisdictional, jurisdictive, juristic, just, justiciable, keen,
   kosher, lawful, lawmaking, legal, legislative, legit, legitimate,
   licit, magisterial, official, perceptive, percipient,
   perspicacious, politic, provident, prudent, prudential, reflecting,
   reflective, rightful, sanctioned, sharp, statutory, thoughtful,
   tribunal, valid, well-advised, well-judged, within the law