Source : Webster's Revised Unabridged Dictionary (1913)

Levitation \Lev`i*ta"tion\ (-t[=a]"sh[u^]n), n. [L. levis light
   in weight.]
   1. Lightness; buoyancy; act of making light. --Paley.

   2. The act or process of making buoyant.

Source : WordNet®

levitation
     n 1: the phenomenon of a person or thing rising into the air by
          apparently supernatural means
     2: movement upward in virtue of lightness [ant: {gravitation}]
     3: the act of raising (a body) from the ground by presumably
        spiritualistic means