Dictionary definition · know
noun
- the fact of being aware of information that is known to few people"he is always in the know"
verb
- be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about"I know that the President lied to the people"
- know how to do or perform something"She knows how to knit"
- be familiar or acquainted with a person or an object"She doesn't know this composer"
- have firsthand knowledge of states, situations, emotions, or sensations"I know the feeling!"
- accept (someone) to be what is claimed or accept their power and authority"The Crown Prince was acknowledged as the true heir to the throne"
- have fixed in the mind"I know Latin"
- have sexual intercourse with"Adam knew Eve"
- know the nature or character of"we all knew her as a big show-off"
- be able to distinguish, recognize as being different"The child knows right from wrong"
- perceive as familiar"I know this voice!"
Source: Open English WordNet (CC BY 4.0).