The Collaborative International Dictionary of English v.0.48:

Plan \Plan\, v. t. [imp. & p. p. Planned; p. pr. & vb. n.
   Planning.]
   1. To form a delineation of; to draught; to represent, as by
      a diagram.
      [1913 Webster]

   2. To scheme; to devise; to contrive; to form in design; as,
      to plan the conquest of a country.
      [1913 Webster]

            Even in penance, planning sins anew.  --Goldsmith.
      [1913 Webster]

WordNet (r) 3.0 (2006):

planning
    n 1: an act of formulating a program for a definite course of
         action; "the planning was more fun than the trip itself"
    2: the act or process of drawing up plans or layouts for some
       project or enterprise
    3: the cognitive process of thinking about what you will do in
       the event of something happening; "his planning for
       retirement was hindered by several uncertainties" [syn:
       planning, preparation, provision]