| 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” |
| noun | a time of life (usually defined in years) at which some particular qualification or power arises “she was now of school age” |
| noun | a prolonged period of time “we've known each other for ages” |
| noun | a late time of life “old age is not for sissies” |
| verb | begin to seem older; get older “The death of his wife caused him to age fast” |
| verb | grow old or older “She aged gracefully” |
| verb | make older “The death of his child aged him tremendously” |
| age | verb | grow old or older |
| geezer | noun | a man who is (usually) old and/or eccentric |
| senescent | adjective | growing old |
| age | noun | a time of life (usually defined in years) at which some particular qualification or power arises |
| maturation | noun | (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level |