Overlook or forgive (7)
I believe the answer is:
condone
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">overlook</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">forgive</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that condone is a more specific form of the action forgive)</span><br/ ><br/ ></span>
(Other definitions for condone that I've seen before include "'Excuse, overlook (7)'" , "pardon" , "Overlook - forgive" , "Forgive, sanction" , "Turn a blind eye" .)