The Collaborative International Dictionary of English v.0.48:

Inducement \In*duce"ment\, n. [From Induce.]
   [1913 Webster]
   1. The act of inducing, or the state of being induced.
      [1913 Webster]

   2. That which induces; a motive or consideration that leads
      one to action or induces one to act; as, reward is an
      inducement to toil. "Mark the inducement." --Shak.
      [1913 Webster]

   3. (Law) Matter stated by way of explanatory preamble or
      introduction to the main allegations of a pleading; a
      leading to.
      [1913 Webster]

   Syn: Motive; reason; influence. See Motive.
        [1913 Webster]

WordNet (r) 3.0 (2006):

inducement
    n 1: a positive motivational influence [syn: incentive,
         inducement, motivator] [ant: deterrence,
         disincentive]
    2: act of bringing about a desired result; "inducement of sleep"
       [syn: inducement, inducing]