Her movements were so rare that they might have been said to italicize her words.
In resolutions, italicize the word Resolved, but not the word Whereas.
I italicize the word innumerable, as I use it in its exact value.
He was a misanthrope, and to italicize his misanthropy he had made himself a juggler.
I italicize the heart of the phrase, because it is italicized in my memory.