The Collaborative International Dictionary of English v.0.48:

Perpetration \Per`pe*tra"tion\, n. [L. perpetratio: cf. F.
   perp['e]tration.]
   1. The act of perpetrating; a doing; -- commonly used of
      doing something wrong, as a crime.
      [1913 Webster]

   2. The thing perpetrated; an evil action.
      [1913 Webster]

WordNet (r) 3.0 (2006):

perpetration
    n 1: the act of committing a crime [syn: perpetration,
         commission, committal]