Source : Webster's Revised Unabridged Dictionary (1913)

Systematization \Sys`tem*a*ti*za"tion\, n. [Cf. F.
   syst['e]matization.]
   The act or operation of systematizing.

Source : WordNet®

systematization
     n : systematic organization; the act of organizing something
         according to a system or a rationale [syn: {systematisation},
          {rationalization}, {rationalisation}]