ego

NOUN

a person's sense of self-esteem or self-importance.
"a boost to my ego"

synonyms:
self-esteem · self-importance · self-worth · self-respect · self-conceit · self-image · self-confidence · amour propre
psychoanalysis

the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity. Compare with id and superego.