Webster's Revised Unabridged Dictionary · 1913

Forewit

Forewit , noun

1.
A leader, or would-be leader, in matters of knowledge or taste. [Obsolete]
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