To become organized, current, or aware.
To work productively toward the objective of a shared enterprise, especially after the objective or the environment has changed.
To comply with the norms of a social group, especially a shared enterprise.
To be or become aware or cognizant.
To perceive the truth or factuality of; to be certain of or that.
To experience.
To understand or have a grasp of through experience or study.
To be able to play or perform (a song or other piece of music).
To be acquainted or familiar with; to have encountered.
To be aware of; to be cognizant of.
To recognize as the same (as someone or something previously encountered) after an absence or change.
To have knowledge; to have information, be informed.
Knowledge; the state of knowing.
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’