Come, show up (6)
I believe the answer is:
arrive
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">come</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that come can be written as arrive)</span><br/ ><br/ >'<span class="explanation-format__original">show up</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for arrive that I've seen before include "Drop in" , "Reach intended destination" , "Reach a place" , "Come to a destination" , "Make it" .)