Source : Webster's Revised Unabridged Dictionary (1913)

Fructify \Fruc"ti*fy\ (fr[u^]k"t[i^]*f[imac]), v. i. [F.
   fructifier, L. fructificare; fructus fruit + -ficare (only in
   comp.), akin to L. facere to make. See {Fruit}, and {Fact}.]
   To bear fruit. ``Causeth the earth to fructify.''
   --Beveridge.

Fructify \Fruc"ti*fy\, v. t. [imp. & p. p. {Fructified}; p. pr.
   & vb. n. {Fructifying}.]
   To make fruitful; to render productive; to fertilize; as, to
   fructify the earth.

Source : WordNet®

fructify
     v 1: become productive or fruitful; "The seeds fructified"
     2: make productive or fruitful; "The earth that he fructified"
     3: bear fruit; "the apple trees fructify" [syn: {set}]
     [also: {fructified}]