age

[1]	grow old(er) , mature , ripen
[2]	senesce , get on , maturate

[1]	lifetime , duration , length of existence , life-span
[2]	maturity , historic period , discretion , majority , adulthood , seniority
[3]	period , eld , stage , time
[4]	long time , aeon/esp , (US) eon , years
[5]	era , old age , epoch , period , eld , geezerhood , time