Italicize v. t. & v. i. (past & past part. italicized; pres. part. italicizing) To print in Italic characters; to underline written letters or words with a single line; as, to Italicize a word; Italicizes too much.
... to italicize seem to us to be of surpassing beauty, and to express what many a play-goer of late years must often ... — Obiter Dicta - Second Series • Augustine Birrell