Power to recall (6)
I believe the answer is:
memory
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">power to recall</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 memory that I've seen before include "Power of retaining and recalling past experience" , "Mental retention" , "Computer storage" , "The ability to store things in mind, and to recall (6)" , "Recollection" .)