Crossword Genius

Prompt writer (5)

Ross

I believe the answer is:

swift

I believe this clue is a double definition.

'prompt' is the first definition.
(I've seen this before)

'writer' is the second definition.
(Jonathan Swift, 1667-1745)

(Other definitions for swift that I've seen before include "Expeditious" , "Fast-moving bird" , "Fast moving; bird" , "Racy" , "wit?" .)

I've seen this clue in The Telegraph.
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