righteous

righteous
    adj 1: characterized by or proceeding from accepted standards of
           morality or justice; "the...prayer of a righteous man
           availeth much"- James 5:16 [ant: {unrighteous}]
    2: morally justified; "righteous indignation"
    

Righteous \Right"eous\, a. [OE. rightways, rightwise, AS.
   rightw[imac]s; riht right + w[imac]s wise, having wisdom,
   prudent. See {Right}, a., {Wise}, a.]
   Doing, or according with, that which is right; yielding to
   all their due; just; equitable; especially, free from wrong,
   guilt, or sin; holy; as, a righteous man or act; a righteous
   retribution.
   [1913 Webster]

         Fearless in his righteous cause.         --Milton.
   [1913 Webster]

   Syn: Upright; just; godly; holy; uncorrupt; virtuous; honest;
        equitable; rightful.
        [1913 Webster]
    

113 Moby Thesaurus words for "righteous":
      Christendom, Christian, Christlike, Christly, God-fearing,
      according to Hoyle, angelic, appropriate, apt, blameless, clean,
      condign, correct, creditable, decent, decorous, due, erect,
      estimable, ethical, exemplary, fair, fit, fitting,
      full of integrity, godlike, godly, godly-minded, good, guiltless,
      heavenly, high-minded, high-principled, highly respectable, holy,
      holy-minded, honest, honorable, immaculate, inculpable, innocent,
      inviolate, irreproachable, just, justifiable, justified, kosher,
      law-abiding, law-loving, law-revering, manly, moral, moralistic,
      nice, noble, normal, normative, otherworldly, principled, proper,
      pure, pure in heart, purehearted, reputable, respectable, right,
      right and proper, right-minded, rightful, saintlike, saintly,
      seemly, self-righteous, seraphic, spiritual, spiritual-minded,
      spotless, stainless, sterling, straight, suitable, the believing,
      the chosen, the elect, the faithful, the good, the righteous,
      the saved, true-dealing, true-devoted, true-disposing, true-souled,
      true-spirited, truehearted, trustworthy, unblamable, unblemished,
      uncorrupt, uncorrupted, undefiled, unearthly, unimpeachable,
      unspotted, unstained, unsullied, untarnished, unworldly, upright,
      uprighteous, upstanding, virtuous, worthy, yeomanly