fem·i·nize 
(fĕmə-nīz′)
(fĕmə-nīz′)tr.v. fem·i·nized, fem·i·niz·ing, fem·i·niz·es
1. To cause to have qualities that are perceived as feminine: "The compassion ... is so insistently present [in this crime novel] that it feminizes the narrative" (Lee Horsley).
2. To cause (a male) to assume physical characteristics of a female, as through the influence of hormones.
fem′i·ni·zation (-nĭ-zāshən) n.