Crossword Genius

Father is with child? It's really exciting (7)

Ross

I believe the answer is:

frisson

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'really exciting' is the definition.
I can't judge whether this definition defines the answer.

'father is with child?' is the wordplay.
'father' becomes 'fr' (abbreviation as in a priest's title).
'with' is a charade indicator (letters next to each other).
'child?' becomes 'son' (male child).
'fr'+'is'+'son'='FRISSON'

'it's' acts as a link.

Can you help me to learn more?

(Other definitions for frisson that I've seen before include "Kick" , "Shiver of excitement" , "A shudder or thrill" , "Shudder of excitement" , "Emotional thrill" .)

I've seen this clue in The Guardian.
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