Become mature (4,2)
(Other definitions for grow up that I've seen before include "Be your age, acquire maturity" , "Develop, become mature" , "Become mature, or an injunction to have sense" , "Become an adult" , "Become mature - or injunction to act like it?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">become mature</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ripen that I've seen before include "Become ready for eating" , "Mature, develop" , "Grow older" , "Become ready to pick" , "Become ready to eat" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">become mature</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 age that I've seen before include "Very long time" , "Years lived so far" , "Period of time" , "Long period" , "16/18 [INDUSTRIAL REVOLUTION]" .)