Source : Webster's Revised Unabridged Dictionary (1913)

Forewit \Fore"wit`\, n.
   1. A leader, or would-be leader, in matters of knowledge or
      taste. [Obs.]

            Nor that the forewits, that would draw the rest unto
            their liking, always like the best.   --B. Jonson.

   2. Foresight; prudence.

            Let this forewit guide thy thought.   --Southwell.