i·tal·i·cize 
(ĭ-tălĭ-sīz′, ī-tăl-)
(ĭ-tălĭ-sīz′, ī-tăl-)tr.v. i·tal·i·cized, i·tal·i·ciz·ing, i·tal·i·ciz·es
1. To print in italic type.
2. To underscore (written matter) with a single line to indicate italics.
3. To emphasize: "italicizing the upper extremity of the pitch spectrum with flute or piccolo" (Arthur Berger).
i·tal′i·ci·zation (-sĭ-zāshən) n.