Source : Webster's Revised Unabridged Dictionary (1913)

Befall \Be*fall"\, v. t. [imp. {Befell}; p. p. {Befallen}; p.
   pr. & vb. n. {Befalling}.] [AS. befeallan; pref. be- +
   feallan to fall.]
   To happen to.

         I beseech your grace that I may know The worst that may
         befall me.                               --Shak.