Definitions of age:

• noun:   how long something has existed

  Example: "It was replaced because of its age"

• noun:   a time in life (usually defined in years) at which some particular qualification or power arises

  Example: "She was now of school age"

• noun:   a prolonged period of time

  Example: "We've known each other for ages"

• noun:   an era of history having some distinctive feature

  Example: "We live in a litigious age"

• noun:   a late time of life

  Example: "Old age is not for sissies"

• verb:   begin to seem older; get older

  Example: "The death of his wife caused him to age fast"

• verb:   make older

  Example: "The death of his child aged him tremendously"

• verb:   grow old or older

  Example: "She aged gracefully"

• name:  A surname (very rare: popularity rank in the U.S.: #53176)