verb (used with object), ex·ter·nal·ized, ex·ter·nal·iz·ing.
Examples from the Web for externalize
You cannot perform or externalize your vanity as overtly as Bieber did without again emphasizing to the world you are a jerk.
Ideas express the implicit will of the human being to externalize them (what Marcuse called "the imperative quality" of thought).The Civilization of Illiteracy|Mihai Nadin
A change of will can always manifest itself in action but it is very difficult to externalize convincingly a mere change of heart.Play-Making|William Archer
Gora Dwight had told him that he must learn to "externalize his emotions," and he felt that here was the supreme opportunity.Black Oxen|Gertrude Franklin Horn Atherton