One's basic nature, or the qualities thereof; essence or personality.
The state or fact of existence, consciousness, or life, or something in such a state.
A living creature.
That which has actuality (materially or in concept).
Given that; since.
A confident but incorrect response given by an artificial intelligence.
A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens.
The act of hallucinating; a wandering of the mind; an error, mistake or blunder.