The Collaborative International Dictionary of English v.0.48:

Belike \Be*like"\, adv. [Pref. be- (for by) + like.]
   It is likely or probably; perhaps. [Obs. or Archaic] --
   Be*like"ly, adv.
   [1913 Webster]

         Belike, boy, then you are in love.       --Shak.
   [1913 Webster]