noun

• That which has a distinct existence as an individual unit. Often used for organisations which have no physical form.
• The existence of something considered apart from its properties.
• (databases) Anything about which information or data can be stored in a database; in particular, an organised array or set of individual elements or parts.
• The state or quality of being or existence.
• A spirit, ghost, or the like.
• (science fiction) An alien lifeform that has no corporeal body.