In psychoanalytic theory, the unconscious incorporation of the values, attitudes, and qualities of another person into the individual's own ego structure.
(psychology) unconscious internalization of aspects of the world (especially aspects of persons) within the self in such a way that the internalized representation takes over the psychological functions of the external objects
Introjection is a psychological process where the subject replicates in itself behaviors, attributes or other fragments of the surrounding world, especially of other subjects. Cognate concepts are identification, incorporation and internalization.