age
noun
the length of time during which a being or thing has existed; length of life or existence to the time spoken of or referred to.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Japan's savers have been ageing for some time.
From The Guardian ● Nov. 23, 2012