definition of
age

[1] #1 age n. how long something has existed; "it was replaced because of its age". wn

[2] #2 age n. [historic period] an era of history having some distinctive feature; "we live in a litigious age". wn

[3] #3 age n. [eld] a time of life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld". wn

[4] #4 age v. begin to seem older; get older; "The death of his wife caused him to age fast". wn

[5] #5 age v. [senesce, get on, mature, maturate] grow old or older; "She aged gracefully"; "we age every day--what a depressing thought!"; "Young men senesce". wn