Feminine: having characteristics that are traditionally thought to be typical of or suitable for a woman: With his long dark eyelashes, he looked almost feminine. The current style in evening wear is soft, romantic, and feminine. Her clothes are always very feminine.
femininity /ˌfem.əˈnɪn.ɪ.ti/ US /-ə.t̬i/ noun [U] usually approving › Long hair was traditionally regarded as a sign of femininity.
So says the Cambridge English Dictionary.
The Oxford English Dictionary:
Of a personal attribute, an action, etc.: characteristic of, befitting, or regarded as appropriate to the female sex. Of a woman: having or exhibiting the qualities, behaviour, or appearance considered as typical of the female sex; womanly.
Of a thing: having characteristics conventionally associated with the female sex, such as prettiness and delicacy.
To make feminine in nature or character; to feminize.
1949 Chester (Pa.) Times 21 Sept. 12/5 (advt.) Man-tailored pyjamas, feminined with gleaming satin stripes.