(idiomatic, US, colloquial) A very long time.

(statistics) The number of people in stated age ranges.

A classification, applied to products, specifying a minimum age for a person using it

Alternative spelling of school-age

(education) An age at which a child is required to attend school.

Synonym of age of majority

plural of age rating

How old one appears to be based solely on mental ability and function.

(mythology) The oldest and best of the Classical Ages of Man, when people lived innocent lives of happiness and prosperity.

The current era, characterised by the increasing importance and availability of information (especially by means of computers), as opposed to previous eras (such as the Industrial Age) in which most endeavours related to some physical process or product.