know·ing 
(nōĭng)
(nōĭng)adj.
1. Possessing knowledge, information, or understanding: very knowing about transportation costs.
2. Showing clever awareness and resourcefulness; shrewd and worldly: "Even so knowing a young ruffian as William Chaloner would have had no preparation for the shock of London" (Thomas Levenson).
3. Suggestive of secret or private knowledge: a knowing glance.
4. Deliberate; conscious: a knowing attempt to defraud.
5. Archaic Fashionable; stylish: "Many young men ... drove about town in very knowing gigs" (Jane Austen).
knowing·ly adv.
knowing·ness n.