Congregation affirmation (4)
I believe the answer is:
amen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">congregation affirmation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for amen that I've seen before include "Prayerful last word" , "Churchgoer's assent?" , "Name for end to prayer" , "Final word in prayer" , "Prayer ending" .)