Ripen (6)
'ripen' is the definition.
(I know that ripen is a more specific form of mature)
This is all the clue.
(Other definitions for mature that I've seen before include "sensible" , "Fully grown and adult" , "due to be paid" , "Old film star" , "reach the end of term" .)
'ripen' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for age that I've seen before include "Turkish commander" , "Get old" , "Maturity" , "Mature, grow in years" , "Period of time" .)