[noun] how long something has existed; "it was replaced because of its age"
[noun] an era of history having some distinctive feature; "we live in a litigious age" Synonyms:historic period
[noun] a time in life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld" Synonyms:eld
[noun] a late time of life; "old age is not for sissies"; "he's showing his years"; "age hasn't slowed him down at all"; "a beard white with eld"; "on the brink of geezerhood" Synonyms:old years, eld, geezerhood
[noun] a prolonged period of time; "we've known each other for ages"; "I haven't been there for years and years" Synonyms:long time, years
[verb] begin to seem older; get older; "The death of his wife caused him to age fast"