The Collaborative International Dictionary of English v.0.48:

Condign \Con*dign"\, a. [F. condigne, L. condignus very worthy;
   con- + dignus worthy. See Deign, and cf. Digne.]
   1. Worthy; suitable; deserving; fit. [Obs.]
      [1913 Webster]

            Condign and worthy praise.            --Udall.
      [1913 Webster]

            Herself of all that rule she deemend most condign.
                                                  --Spenser.
      [1913 Webster]

   2. Deserved; adequate; suitable to the fault or crime.
      "Condign censure." --Milman.
      [1913 Webster]

            Unless it were a bloody murderer . . .
            I never gave them condign punishment. --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

condign
    adj 1: fitting or appropriate and deserved; used especially of
           punishment; "condign censure"