Brotherly (9)
I believe the answer is:
fraternal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brotherly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that brotherly can be written as fraternal)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for fraternal that I've seen before include "Brotherly" , "Affectionate like brothers" , "from an association" .)