Source : WordNet®

masculinize
     v 1: give a masculine appearance or character to; "Fashion
          designers have masculinized women's looks in the 1990s"
     2: produce virilism in or cause to assume masculine
        characteristics, as through a hormonal imbalance or
        hormone therapy; "the drugs masculinized the teenage girl"
        [syn: {masculinise}, {virilize}, {virilise}]