Transvestism (noun)

1. The practice of wearing clothing typically associated with the opposite sex.
2. The phenomenon of adopting the appearance or characteristics of the opposite sex.

Origin:

Early 20th century, formed from trans- + vestimentum ("clothing") in latin.

Examples:

1. Transvestism is a form of gender expression that is not widely accepted in many societies.
2. His transvestism was more of a hobby than a lifestyle choice.
3. The movie was about a man who struggled with his transvestism and acceptance by society.
4. Transvestism is a way for some individuals to explore and express their gender identity.
5. The psychological study of transvestism is still in its early stages.