|Noah Webster's Dictionary|
1. (adv.) With knowledge; in a knowing manner; intelligently; consciously; deliberately; as, he would not knowingly offend.
2. (adv.) By experience.
Knowingly (1 Occurrence)
Genesis 48:14 Israel stretched out his right hand, and laid it on Ephraim's head, who was the younger, and his left hand on Manasseh's head, guiding his hands knowingly, for Manasseh was the firstborn. (WEB)