The faculty of precise discernment or perception; sensitiveness
Shrewdness, quickness of mind
Violence of a disease, which brings it speedily to a crisis.
The quality of being acute or pointed
Shrillness; high pitch; – said of sounds.
Knowledge; the state of knowing.
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’
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 or become aware or cognizant.
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.