Formal acceptance of publicity given to choice (8)

I believe the answer is:

adoption

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'formal acceptance' is the definition.
'adoption' can be an answer for 'acceptance' (synonyms). I'm not certain of the 'formal' bit.

'publicity given to choice' is the wordplay.
'publicity' becomes 'ad' (short for advert).
'given to' says to put letters next to each other.
'choice' becomes 'option' (synonyms).
'ad'+'option'='ADOPTION'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for adoption that I've seen before include "takeover" , "Taking on another's child as one's own" , "process to select candidate" , "Legal process of taking a child into one's family" , "approval" .)

I've seen this clue in The Irish News.

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