Webster's Revised Unabridged Dictionary · 1913

Knowing

Knowing , adjective

1.
Skillful; well informed; intelligent; as, a knowing man; a knowing dog.
The knowing and intelligent part of the world. — South
2.
Artful; cunning; as, a knowing rascal. [Colloquial]

Knowing , noun

Knowledge; hence, experience.
In my knowing. — Shakespeare
This sore night Hath trifled former knowings. — Shakespeare