know

(noun): Knowledge; the state of knowing.
(verb): To perceive the truth or factuality of; to be certain of or that.
(verb): To be aware of; to be cognizant of.
(verb): To be acquainted or familiar with; to have encountered.
(verb): To experience.
(verb): To be able to distinguish, to discern, particularly by contrast or comparison; to recognize the nature of.
(verb): To recognize as the same (as someone or something previously encountered) after an absence or change.
(verb): To understand or have a grasp of through experience or study.
(verb): To have sexual relations with. This meaning normally specified in modern English as e.g. to ’know someone in the biblical sense’ or to ‘know Biblically.’
(verb): To have knowledge; to have information, be informed.
(verb): To be or become aware or cognizant.
(verb): To be acquainted (with another person).
(verb): To be able to play or perform (a song or other piece of music).