Uphold or maintain (7)
I believe the answer is:
sustain
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">uphold</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that sustain is a kind of the uphold)</span><br/ ><br/ >'<span class="explanation-format__original">maintain</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that sustain is a kind of bear on)</span><br/ ><br/ ></span>
(Other definitions for sustain that I've seen before include "Prolong, support" , "Give food to" , "Endure" , "Provide nourishment" , "Keep (something) going" .)