1. come of age - Verb
2. come of age - Phrase
reach a certain age that marks a transition to maturity
Source: WordNetWoman must come of age by herself... She must find her true center alone. Anne Morrow Lindbergh
Men come of age at sixty, women at fifteen. James Stephens
Entire generations of Americans have come of age since the ancient time when the president's power was constrained by a duty of candor to the American people. James Bovard
I don't want to be daft and say I had some spiritual awakening or something, but I really did come of age in Los Angeles, where we recorded the album. I had my own little house and my own little circle and I really got to feel how the city ticks. Melanie C
At No. 21, Alessandro Dell’Acqua has been wrestling with how to create formal attire for a younger generation, bent on comfort and having come of age in a street wear-era. Source: Internet
Hobbits are considered to "come of age" on their 33rd birthday, so a 50-year-old hobbit would be regarded as entering middle-age. Source: Internet