NOTE: beware of adjectival usage: "an aging population"
The death of his wife caused him to age fast.
She aged gracefully.
Too much sun ages the skin.
25 per cent of those aged 16 to 19 years were using cannabis.
(consider this example to be a reduced relative clause)
WordNet 3.0 Sense Numbers: 1, 2, 3
NOTE: usually refers to food and flavor.
The wine is aged in oak barrels.
The steaks are prime, aged for flavor, grilled at 1800 degrees.
He ages cheese from his own factory as well as cheese produced by others.