feminize

fem·i·nize   (fěm'ə-nīz')    tr.v.   fem·i·nized, fem·i·niz·ing, fem·i·niz·es To give a feminine appearance or character to. To cause (a male) to assume feminine characteristics. fem'i·ni·za'tion (-nĭ-zā'shən) n.

Main Entry: fem·i·nize
Variant: or British fem·i·nise /'fem-&-"nIz/
Function: transitive verb
Inflected Forms:-nized or British -nised; -niz·ing or British -nis·ing
: to cause (a male or castrate) to take on feminine characters (as byimplantation of ovaries or administration of estrogenic substances) —fem·i·ni·za·tion or British fem·i·ni·sa·tion /"fem-&-n&-'zA-sh&n/ noun