The Collaborative International Dictionary of English v.0.48:

Saccharify \Sac*char"i*fy\, v. t. [imp. & p. p. Saccharified;
   p. pr. & vb. n. Saccharifying.] [L. saccharon sugar + -fy:
   cf. F. saccharifier.]
   To convert into, or to impregnate with, sugar.
   [1913 Webster]

WordNet (r) 3.0 (2006):

saccharify
    v 1: sweeten with sugar; "sugar your tea" [syn: sugar,
         saccharify]
    2: convert into a simple soluble fermentable sugar by
       hydrolyzing a sugar derivative or complex carbohydrate