Clue = Astounding (12)
D ? M ? ? ? S ? D ? I ?
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1st D is first letter of word Darken with clue Blacken
M is 3rd letter of word DeMocrat with clue Populist
S is first letter of word Spirit with clue Presence
Second D (4th from end) is 3rd letter of word AuDience with clue Spectators
I is 4th letter of word MerIdian with the clue Midday
Any help appreciated please.