Proclivity, leaning (8)
I believe the answer is:
tendency
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">proclivity</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">leaning</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for tendency that I've seen before include "Inclination - political faction" , "movement" , "Likelihood - inclination" , "Penchant, inclination" , "bent" .)