What is the meaning of the word "age"?

Definitions:

a late time of life noun
- old age is not for sissies
a prolonged period of time noun
- we've known each other for ages
a time of life, usually defined in years, at which some particular qualification or power arises noun
- We were finally of school age.
an era of history having some distinctive feature noun
- we live in a litigious age
how long something has existed noun
- it was replaced because of its age
to begin to seem older verb
- The death of their child aged them.
to grow old or older verb
- We aged gracefully.
to make older verb
- I aged the cheese in a dark environment.