What is the meaning of age?

noun

• How long something has existed.
  • usage: "it was replaced because of its age"
• An era of history having some distinctive feature.
  • usage: "we live in a litigious age"
  • synonyms: historic period
• A time of life (usually defined in years) at which some particular qualification or power arises.
  • usage: "she was now of school age"; "tall for his eld"
  • synonyms: eld
• A prolonged period of time.
  • usage: "we've known each other for ages"; "I haven't been there for years and years"
  • synonyms: long time, years
• A late time of life.
  • usage: "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 age, years, eld, geezerhood

verb

• Begin to seem older; get older.
  • usage: "The death of his wife caused him to age fast"
• Grow old or older.
  • usage: "She aged gracefully"; "we age every day-what a depressing thought"; "Young men senesce"
  • synonyms: senesce, get on, mature, maturate
• Make older.
  • usage: "The death of his child aged him tremendously"