in·te·ri·or·ize (ĭn-tîr'ē-ə-rīz') tr.v.
in·te·ri·or·ized, in·te·ri·or·iz·ing, in·te·ri·or·iz·es To cause (feelings, for example) to become an interior or internal part of one's mental or spiritual being; internalize: "In a number of earlier movies, [he] interiorized emotion so much that he became inexpressive"(Pauline Kael).