Crossword Genius

A devout conclusion (4)

Ross

I believe the answer is:

amen

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'conclusion' is the definition.
(I have seen 'Conclusion of prayer' mean 'amen' so perhaps 'conclusion' could also mean 'amen')

'a devout' is the wordplay.
'devout' becomes 'men' (I can't explain this - if you can you should give a lot more credence to this answer).
'a'+'men'='AMEN'

Can you help me to learn more?

(Other definitions for amen that I've seen before include "Religiously 11 [THE LASTWORD]" , "Prayerful last word" , "Response to prayer" , "Word of approval" , "statement of affirmation" .)

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