feminize

verb

1. (transitive)To make (more) feminine.

   “Parabiosis experiments on primitive vertebrates showed inversion of sex in either direction, males were feminized and females masculinized.”

   “The comedies work in very obvious ways to feminize this socially-ominous triad of young fops, old lechers, and greedy businessmen.”

   “For a start, it feminizes Tarquin by drawing on the conventional gendering of the human soul as female (Donne's 'Batter my heart . . .' offers an obvious but interesting comparison), and implies that his physical assault on Lucrece has both offended against his own body and contaminated, almost violated, his spiritual and 'female' self. Rape has almost been self-rape.”

   “Surgical interventions for gender dysphoria, according to WPATH, can include feminizing or masculinizing hormone therapy, voice therapy, chest augmentation and reduction, or genital surgery.”

2. (intransitive)To become (more) feminine.