Fundamental knowledge or background in a field or discipline.
The collision of a ship with ground beneath the surface of the water.
The absorption of energy through visualized "roots" descending from oneself into the ground, using chi.
The act by which a child is grounded (forbidden from going out, using electronics, etc.).
The return to a fully conscious state after a psychedelic experience.
The interconnecting metal chassis/frame of a device, appliance, machine, or metal raceway via a designated conductor to earth at the service panel. It may be bare or covered, and does not carry current in normal operation.
The background of embroidery, etc.
The prevention of aircraft takeoff because of government action.
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.