come into (one's) own

To reach a new level of maturity, independence, or success. Often said of young adults. Betsy has really come into her own this year. A full-time job, a new apartment—she's doing great!

Common Names:

Name	Pronounced	Usage
Vieno	VEE-e-no	Finnish (Rare)
Gerry	['geri]
Melinda	mə-LIN-də	English
Bernardetta	-	Italian
Bartholomew	bahr-THAHL-ə-myoo (English)	English, Biblical
Anastazja	ah-nah-STAHZ-yah	Polish