Possessing knowledge, information, or awareness about something. She gave him a knowing smile, indicating she was aware of his secret.
Suggestive of secret knowledge or awareness. He cast a knowing glance at his friend, hinting at their shared understanding.
Characterized by shrewdness or astuteness. Her knowing approach to negotiations always gave her an advantage.
Done deliberately; intentional. The defendant's knowing violation of the law resulted in harsher penalties.