v (Australia|New Zealand|British)(present participle of|age)
n (Australia|New Zealand|British) The process of becoming older or more mature.
n (Australia|New Zealand|British) The deliberate act of making something (such as an antique) appear older than it is.
n (Australia|New Zealand|British|gerontology) Becoming senescent; accumulating damage to macromolecules, cells, tissues and organs with the passage of time.
a (Australia|New Zealand|British) Becoming elderly.