Entity and Theory

Entity

Entity noun - One that has a real and independent existence.

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Theory and entity are semantically related. In some cases you can use "Theory" instead a noun "Entity".

Theory noun - An idea that is the starting point for making a case or conducting an investigation.

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Entity and theory are semantically related. Sometimes you can use "Entity" instead a noun "Theory".

good	good entity	good theory
similar	similar entity	similar theory
certain	certain entity	certain theory
alien	alien entity	alien theory
Other adjectives: original, single, actual, real, new, political, different, unified, magical.

There's a theory that he is the result of a sleep disorder called hypnognia, where the sleeping mind automatically assumes that there is a dangerous entity / danger.

Source: Video Game / LSD: Dream Emulator
Precursors: According to one theory put forth by some scientists in the universe, entire species and their evolution may be the playthings of an entity tentatively identified as Gaia.

Source: Literature / Whateley Universe
A scientist in the StarCraft universe holds a theory that they are all nothing but units in a computer game obeying some greater entity's whims.

Source: Fourth-Wall Observer

Cite this Source

Theory and Entity. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/entity/theory

Entity & Theory. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/entity/theory>.

Theory or Entity. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/entity/theory.

Google Ngram Viewer shows how "entity" and "theory" have occurred on timeline