Debutante (noun)

A young woman making her debut into society, especially one who is presented at a debutante ball.

Origin:

From the french word "debutante" meaning "beginner" or "a girl making her debut".

Examples:

1. She was a debutante at the royal court.
2. The debutante was presented to the queen.
3. The debutante ball was a grand affair.
4. She was the youngest debutante at the ball.
5. The debutante was wearing a beautiful white gown.