Answer:

ages

Answer	Crossword Clue
AGES	Dark or Middle follower
AGES	Gets ripe
AGES	Matures

AGES	Years and years
AGES	Bronze and Iron
AGES	Many moons
AGES	Matures into a SAGE?
AGES	Mellows
AGES	Quite a while
AGES	Gets older
AGES	Gets on

AGES	Iron and Ice
AGES	Piles on birthdays
AGES	Ripens
AGES	Iron and Stone
AGES	Forever
AGES	Long stretches
AGES	Really, really long time
AGES	Improves, as wine

AGES	Iron and Bronze
AGES	A long time
AGES	On in years
AGES	Leaves the salad days
AGES	Census data
AGES	A long, long time
AGES	Seemingly forever
AGES	Census statistics

AGES	Forever and a day
AGES	Quite some time
AGES	Mellows, maybe
AGES	Long time to wait
AGES	Seasons, in a way
AGES	"Rock of ..." (famous hymn)
AGES	"Life of ..., richly poured ...": Samuel Johnson
AGES	Concurs

AGES	"Haven't seen you in ..!"
AGES	Gets on in years
AGES	Years
AGES	Grays, maybe
AGES	Grays, perhaps