know  (nō)
v. knew (no̅o̅, nyo̅o̅), known (nōn), know·ing, knows
v.tr.
1. To perceive directly; grasp in the mind with clarity or certainty.
2. To regard as true beyond doubt: I know she won't fail.
3. To have a practical understanding of, as through experience; be skilled in: knows how to cook.
4. To have fixed in the mind: knows her Latin verbs.
5. To have experience of: "a black stubble that had known no razor" (William Faulkner).
6.
   a. To perceive as familiar; recognize: I know that face.
   b. To be acquainted with: He doesn't know his neighbors.
7. To be able to distinguish; recognize as distinct: knows right from wrong.
8. To discern the character or nature of: knew him for a liar.
9. (Archaic) To have sexual intercourse with.