ego

nouns

an inflated feeling of pride in your superiority to others
your consciousness of your own identity
(psychoanalysis) the conscious mind
ego
domain category
a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud
"his physician recommended psychoanalysis"
is a type of (narrower)
that which is responsible for one's thoughts and feelings; the seat of the faculty of reason
"his mind wandered"; "I couldn't get his words out of my head"