ppl. a. Obs. Intelligent and well-informed.

1

1674.  N. Fairfax, Bulk & Selv., 5. Most well-knowing men have been wary of speaking it out.

2

1709.  Shaftesb., Moralists, I. iii. 30. Knowing as you are (continu’d I) well-knowing and experienc’d in all the Degrees and Orders of Beauty.

3