1.how long something has existed;
it was replaced because of its age
2.an era of history having some distinctive feature;
we live in a litigious age
3.a time in life (usually defined in years) at which some particular qualification or power arises;
she was now of school age
4.a late time of life;
old age is not for sissies
5.a prolonged period of time;
we've known each other for ages
1.begin to seem older; get older;
The death of his wife caused him to age fast
2.grow old or older;
She aged gracefully
3.make older;
The death of his child aged him tremendously