airline discounts for 'mature' travelers [=for senior citizens who travel; for old people who travel]
The dog will stand three feet tall when (it has become) 'mature'. [=when it has matured]
After/On 'mature' reflection, he concluded that he had been mistaken.
(..) Really. Honest. Rach? Yeah, believe it or not, it's true. I mean, when Joey and I were together... ...he was wonderful. He was thoughtful and mature. And for the one week that we went out... ...he didn't sleep with anybody else. Growth. - Fine, I'll give you her number. (..)2004 TvShow: Friends Title: The One with the Birth Mother Season: 10 Episode 9