internalize

/ɪnˈtɜr·nəlˌɑɪz/ v [T]

Definition

› to accept an idea, attitude, belief, etc., so that it becomes part of your character: He had not expected the people so readily to internalize the values of democracy. › If you internalize your emotions or feelings, you do not express them openly: He usually internalized his anger, rather than expressing it to anyone.

(Definition of internalize v from the Cambridge Academic Content Dictionary © Cambridge University Press)