Source : Webster's Revised Unabridged Dictionary (1913)

Besot \Be*sot"\, v. t. [imp. & p. p. {Besotted}; p. pr. & vb. n.
   {Besotting}.]
   To make sottish; to make dull or stupid; to stupefy; to
   infatuate.

         Fools besotted with their crimes.        --Hudibras.