Pondering (6)

I believe the answer is:

musing

'pondering' is the definition.
(synonyms)

This is all the clue.

(Other definitions for musing that I've seen before include "introspection" , "reflection" , "Cogitation" , "Pondering, thinking" , "Absorbed in thought" .)

I've seen this clue in the Evening Standard, the King Feature Syndicate and The Sun.

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