Source : Webster's Revised Unabridged Dictionary (1913)

Eclecticism \Ec*lec"ti*cism\, n. [Cf. F. ['e]clecticisme. Cf.
   {Electicism}.]
   Theory or practice of an eclectic.

Source : WordNet®

eclecticism
     n : making decisions on the basis of what seems best instead of
         following some single doctrine or style [syn: {eclectic
         method}]