internalize

English

internalize (third-person singular simple present internalizes, present participle internalizing, simple past and past participle internalized) (American spelling, Oxford British English)

(transitive) To make something internal; to incorporate it in oneself.
1. To process new information in one's mind.
2. To refrain from expressing (a negative emotion), to one's psychological detriment; to bottle up.
  - 1979, Woody Allen, Marshall Brickman, Manhattan, spoken by Isaac (Woody Allen), United Artists:
    Well, I can't get angry, okay? I mean, I have a tendency to internalize. I can't express anger. That's one of the problems I have—I grow a tumor instead.
(transitive, programming) To store (a string or other structure) in a shared pool, such that subsequent items with the same value can share the same instance.
Synonym: intern
(finance) To transfer stocks between brokers within an organization, rather than through the exchange.

make something internal