know how to do or perform something(verb.cognition)
Example: She knows how to knit.
Does your husband know how to cook?.
source: wordnet30
be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt(verb.cognition)
Example: I know that I left the key on the table.
source: wordnet30
be familiar or acquainted with a person or an object(verb.cognition)
Example: She doesn't know this composer.
Do you know my sister?.
We know this movie.
I know him under a different name.
This flower is known as a Peruvian Lily.
source: wordnet30
have firsthand knowledge of states, situations, emotions, or sensations(verb.cognition)
Example: I know the feeling!.
Have you ever known hunger?.