Reification may refer to:
- Reification (linguistics) in natural language processing, where a natural language statement is transformed so actions and events in it become quantifiable variables
- Reification (Marxism) (German: Verdinglichung), the consideration of an abstraction or an object as if it had living existence and abilities; at the same time it implies the thingification of social relations
- Reification (statistics), the consideration of a `perfect' model which is used to make inferences connecting (imperfect) model results with experimental observations
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