- to perceive or understand as fact or truth; to apprehend clearly and with certainty: I know the situation fully.
- 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?
- to be cognizant or aware of: I know it.
- be acquainted with (a thing, place, person, etc.), as by sight, experience, or report: to know the mayor.
- to understand from experience or attainment (usually followed by how before an infinitive): to know how to make gingerbread.
- to be able to distinguish, as one from another: to know right from wrong.
- to have sexual intercourse with.
- to have knowledge or clear and certain perception, as of fact or truth.
- to be cognizant or aware, as of some fact, circumstance, or occurrence; have information, as about something.
- the fact or state of knowing; knowledge.
- possessing inside, secret, or special information.
- to understand or be familiar with the particulars of a subject or business: He knew the ropes better than anyone else in politics.
- to be or feel certain of the truth or accuracy of (a fact, etc)
- to be acquainted or familiar with
- to have a familiarity or grasp of, as through study or experience
- to understand, be aware of, or perceive (facts, etc)
- to be sure or aware of (how to be or do something)
- to experience, esp deeply
- to be intelligent, informed, or sensible enough (to do something)
- to be able to distinguish or discriminate
- to have sexual intercourse with
- I have an idea
- to know how one thing or things in general work
- a parenthetical filler phrase used to make a pause in speaking or add slight emphasis to a statement
- things are uncertain
- aware or informed