Looked back on scripture lessons: cool! (11)

I believe the answer is:

recollected

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'looked back on scripture' is the definition.
The definition and answer can be both related to thinking as well as being past participle verbs.
Perhaps there's a link between them I don't understand?

'lessons cool' is the wordplay.
'lessons' becomes 'RE' (Religious Education).
'cool' becomes 'collected' (I've seen this in another clue).
're'+'collected'='RECOLLECTED'

Can you help me to learn more?

(Other definitions for recollected that I've seen before include "Remembered" , "Recalled" .)

I've seen this clue in The Everyman puzzle in The Observer.

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