1. to perceive or understand as fact or truth; to apprehend clearly and with certainty: I know the situation fully.
2. to have established or fixed in the mind or memory: to know a poem by heart; Do you know the way to the park from here?
3. to be cognizant or aware of: I know it.
4. be acquainted with (a thing, place, person, etc.), as by sight, experience, or report: to know the mayor.
5. to understand from experience or attainment (usually followed by how before an infinitive): to know how to make gingerbread.
Synonyms
1. Know, comprehend, understand imply being aware of meanings. To know is to be aware of something as a fact or truth: He knows the basic facts of the subject. I know that he agrees with me. To comprehend is to know something thoroughly and to perceive its relationships to certain other ideas, facts, etc. To understand is to be fully aware not only of the meaning of something but also of its implications: I could comprehend all he said, but did not understand that he was joking.
1. Know, comprehend, understand imply being aware of meanings. To know is to be aware of something as a fact or truth: He knows the basic facts of the subject. I know that he agrees with me. To comprehend is to know something thoroughly and to perceive its relationships to certain other ideas, facts, etc. To understand is to be fully aware not only of the meaning of something but also of its implications: I could comprehend all he said, but did not understand that he was joking.
