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{{short description|Something that exists in some identified universe of discourse}}
{{about|the broad concept of an entity}}
{{one source|date=July 2024}}
An '''entity''' is something that [[Existence|exists]] as itself. It does not need to be of material existence. In particular, [[abstraction]]s and [[legal fiction]]s are usually regarded as entities. In general, there is also no presumption that an entity is [[Life|animate]], or [[present]]. The verb tense of this form is to 'entitize' - meaning to convert into an entity; to perceive as tangible or alive.<ref>[https://en.wiktionary.org/wiki/entitize Entitize on Wiktionary]</ref>

The term is broad in scope and may refer to animals; natural features such as mountains; inanimate objects such as tables; numbers or sets as symbols written on a paper; human contrivances such as laws, corporations and academic disciplines; or [[supernatural]] beings such as gods and spirits.

The adjectival form is ''entitative''.

==Etymology==
The word ''entity'' is derived from the Latin ''entitas'', which in turn derives from the Latin ''ens'' meaning "being" or "existing" (compare English ''[[essence]]''). ''Entity'' may hence literally be taken to mean "thing which exists".

== In philosophy ==
{{Main article|Ontology}}
Ontology is the study of concepts of existence, and of recognition of entities. The words ontic and entity are derived respectively from the ancient Greek and Latin present participles that mean "[[being]]".

{{quote|In an ontic inquiry... one asks about the properties or the physical relations and structures peculiar to some entity – in the pen's case, for example, we might make the following ontic observations about it: it is black, full of blue ink, and sitting on top of my desk.<ref>Hubert L. Dreyfus, Mark A. Wrathall, eds., ''A Companion to Heidegger'' (2008), p. 3.</ref>}}

== In law, politics, economics, accounting ==
{{Main article|Legal person|Polity}}
In [[law]], a legal entity is an entity that is capable of bearing legal [[rights]] and [[obligation]]s, such as a [[natural person]] or an [[Legal person|artificial person]] (e.g. business entity or a corporate entity).

In [[politics]], ''entity'' is used as term for territorial divisions of some countries (e.g. [[Political divisions of Bosnia and Herzegovina|Bosnia and Herzegovina]]).

In [[economics]], ''[[economic entity]]'' is one of the assumptions made in [[generally accepted accounting principles]]. Almost any type of organization or unit in society can be an economic entity. 

In [[Accounting network|accounting]], the ''[[entity concept]]'' is the concept that a business or an organization and its owners are treated as two separate parties.  

== In medicine ==
{{Main article|Medicine}}
In medicine, a [[disease entity]] is an illness due to a particular definite cause or to a specific pathological process. While a disease entity is not defined by a [[syndrome]], it may or may not be manifest in one or more particular syndromes. 

== In computer science ==
{{See|Entity–relationship model|Entity–control–boundary}}
In [[computer science]], an entity is an [[Object (computer science)|object]] that has an [[Identifier|identity]], which is independent of the changes of its [[Attribute (computing)|attribute]]s.  It represents long-lived information relevant for the users and is usually stored in a [[database]].

==See also==
*[[Digital identity]]
*[[Elementary entity]]
*[[Entity–relationship model]]
*[[Entity–control–boundary]]
*[[Entity realism]], a form of [[scientific realism]]
*[[Entitativity]]
*[[Everything]]
*[[List of XML and HTML character entity references|Html entity]]
*[[Non-physical entity]]
*[[Object (philosophy)]]
*[[Circular reference]]

==References==
{{Reflist}}

==External links==
*{{Commonscatinline|Entities}}
*{{wikiquote-inline}}

{{Metaphysics}}
{{Philosophy of language}}

{{Authority control}}
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[[Category:Concepts in metaphysics]]
[[Category:Data modeling diagrams]]
[[Category:Main topic articles]]
[[Category:Objects]]
[[Category:Broad-concept articles]]