Fatherhood (9)
I believe the answer is:
paternity
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fatherhood</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that fatherhood can be written as paternity)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for paternity that I've seen before include "suit Mick Jagger would wear?" , "Fatherhood" .)