Serene bride so perfectly portrayed in the mirror (7)
I believe the answer is:
reposed
'serene' is the definition.
The answer and definition are different parts of speech. However, adjectives and past participle verbs can occasionally mean the same thing.
'bride so perfectly portrayed in the mirror' is the wordplay.
'in' says the answer is hidden in the clue.
'the mirror' is a reversal indicator (I've seen 'mirrored' mean this).
'desoper' can be found hidden inside 'bride so perfectly portrayed'.
'desoper' reversed gives 'REPOSED'.
Can you help me to learn more?
(Other definitions for reposed that I've seen before include "Relaxed" , "Rested" , "What's settled" , "modelled afresh" .)