Have faith (7)
I believe the answer is:
believe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">have faith</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for believe that I've seen before include "Have faith; accept" , "Have religious faith" , "Have confidence in" , "Have faith; understand" , "Think" .)