1) Alter 2) Change 3) Modify 4) To make masculine 1) Masculinise 2) Virilise 3) Virilize 
(mas´ku-lĭ-nīz″) to produce normal secondary sex characters in a male. to produce male secondary sex characters in a female.
Type: Term Pronunciation: mas′kyū-li-nīz′ Definitions: 1. To confer the qualities or characteristics peculiar to the male.
[v] - give a masculine appearance or character to 2. [v] - produce virilism in or cause to assume masculine characteristics, as through a hormonal imbalance or hormone therapy
masculinize To render masculine or more masculine in nature, form, or character.Masculine (but not male); of male form or appearance