Crossword Genius

One manipulates commitment to accommodate returning writers (9)

Ross

I believe the answer is:

osteopath

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'one manipulates' is the definition.
I can't tell whether this definition defines the answer.

'commitment to accommodate returning writers' is the wordplay.
'commitment' becomes 'oath' (oath is a kind of commitment).
'to accommodate' means one lot of letters goes inside another.
'returning' says the letters should be written in reverse.
'writers' becomes 'poets' (poet is a kind of writer).
'poets' backwards is 'steop'.
'oath' enclosing 'steop' is 'OSTEOPATH'.

Can you help me to learn more?

(Other definitions for osteopath that I've seen before include "Potato she uses badly as a manipulator of the body" , "One manipulates bones and massages muscles" , "Therapist who manipulates bones and muscles" , "Health professional" , "Practitioner in the treatment of bones and muscle" .)

I've seen this clue in The Telegraph.
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