internalize

Concise Oxford English Dictionary © 2008 Oxford University Press:
internalize /ɪnˈtɜːnəlʌɪz/ (or internalise)

▶verb

• 1 Psychology make (attitudes or behaviour) part of one's nature by learning or unconscious assimilation.

  ■ acquire knowledge of (the rules of a language).

• 2 Economics incorporate (costs) as part of a pricing structure.

– derivatives
internalization noun.