Look at, scrutinise (7)
I believe the answer is:
examine
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">look at</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">scrutinise</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for examine that I've seen before include "Inspect; question in court" , "Scrutinise, subject to test" , "Question (a witness)" , "Test or study carefully" , "Investigate" .)