The way a living creature behaves or acts generally.
An instance of the way a living creature behaves.
The way a device or system operates.
Observable response produced by an organism.
Human conduct relative to social norms.
A state of probation about one's conduct.
The state of being actual or real; realness.
The entirety of all that is real.
The real world.
An individual observer's own subjective perception of that which is real.
A real entity, event, or other fact.