Source : Webster's Revised Unabridged Dictionary (1913)

Maculate \Mac"u*late\, a. [L. maculatus, p. p.]
   Marked with spots or macul[ae]; blotched; hence, defiled;
   impure; as, most maculate thoughts. --Shak.

Maculate \Mac"u*late\, v. t. [L. maculatus, p. p. of maculare to
   spot. See {Macula}, and cf. {Macule}, v.]
   To spot; to stain; to blur.

         Maculate the honor of their people.      --Sir T.
                                                  Elyot.

Source : WordNet®

maculate
     adj 1: morally blemished; stained or impure [syn: {defiled}]
     2: spotted or blotched
     v 1: make dirty or spotty, as by exposure to air; also used
          metaphorically; "The silver was tarnished by the long
          exposure to the air"; "Her reputation was sullied after
          the affair with a married man" [syn: {tarnish}, {stain},
           {sully}, {defile}]
     2: spot, stain, or pollute; "The townspeople defiled the river
        by emptying raw sewage into it" [syn: {foul}, {befoul}, {defile}]