know

Know means to have an understanding of, be aware of or be familiar with someone or something. (verb)

An example of know is a doctor having the information needed to treat their patients.
An example of know is a friend recognizing another friend at a concert.

See know in Webster's New World College Dictionary

transitive verb knew, known, knowing

to have a clear perception or understanding of; be sure of or well informed about: to know the facts
to be aware or cognizant of; have perceived or learned: to know that one is loved
to have a firm mental grasp of; have securely in the memory: to know the multiplication tables
1. to be acquainted or familiar with: I knew him well
2. to experience: she has known both pleasure and pain
to have understanding of or skill in as a result of study or experience: to know music
to recognize: I'd know that face anywhere
to recognize as distinct; distinguish: to know right from wrong
Archaic to have sexual intercourse with

intransitive verb

Related Forms:

See know in American Heritage Dictionary 4

(nō)

verb knew knew (no͞o, nyo͞o), known known (nōn), know·ing, knows

verb, transitive

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