Webster's Dictionary 
(1): ( a.) Skilful; well informed; intelligent; as, a knowing man; a knowing dog.
(2): ( a.) Artful; cunning; as, a knowing rascal.
(3): ( n.) Knowledge; hence, experience.
(4): ( p. pr. & vb. n.) of Know
King James Dictionary 
Knowing, ppr. no'ing.
1. Having clear and certain perception of. 2. a. Skillful well informed well instructed as a knowing man.
The knowing and intelligent part of the world.
3. Conscious intelligent.
A knowing prudent cause.