Source : Webster's Revised Unabridged Dictionary (1913)

Scientifically \Sci`en*tif"ic*al*ly\, adv.
   In a scientific manner; according to the rules or principles
   of science.

         It is easier to believe than to be scientifically
         instructed.                              --Locke.

Source : WordNet®

scientifically
     adv : with respect to science; in a scientific way; "this is
           scientifically interesting"