Restore to life (6)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">restore to life</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for revive that I've seen before include "Wake up" , "(Cause to) get new life" , "Bring back to consciousness or from obscurity" , "Bring back to consciousness or life" , "Restore to life or consciousness" .)