The Collaborative International Dictionary of English v.0.48:

Perjury \Per"ju*ry\, n.; pl. Perjuries. [L. perjurium. See
   Perjure, v.]
   1. False swearing.
      [1913 Webster]

   2. (Law) At common law, a willfully false statement in a fact
      material to the issue, made by a witness under oath in a
      competent judicial proceeding. By statute the penalties of
      perjury are imposed on the making of willfully false
      affirmations.
      [1913 Webster]

   Note: If a man swear falsely in nonjudicial affidavits, it is
         made perjury by statute in some jurisdictions in the
         United States.
         [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "perjury":
   artfulness, coloring, confabulation, craftiness, credibility gap,
   deceitfulness, disingenuousness, distortion, equivocation,
   exaggeration, false coloring, false swearing, falseheartedness,
   falsification, falsifying, forswearing, fraud, insincerity,
   intrigue, lying, mendaciousness, mendacity, miscoloring,
   misconstruction, misrepresentation, misstatement, perversion,
   prevarication, sharp practice, straining, uncandidness, uncandor,
   unfrankness, unsincereness, untruthfulness