To have knowledge; to have information, be informed.
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.
Knowledge; the state of knowing.
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’
To make (information or facts) known.
To apply a surface to something.
To become known or apparent; to appear or be found.
To provide something with a surface.
To bring to the surface.
To come out of hiding.
To work a mine near the surface.
To rise to the surface.
Outward or external appearance.
The outside hull of a tangible object.
The overside or up-side of a flat object such as a table, or of a liquid.
The locus of an equation (especially one with exactly two degrees of freedom) in a more-than-two-dimensional space.