Got on in years (4)
I believe the answer is:
aged
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">got on in years</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aged that I've seen before include "Old or ancient" , "Very old, person or wine" , "Matured like wine in wood" , "Like Uncle Arly" , "Grew old" .)