Crossword Genius

Pass time, after hospital discharge, taking in lake's magnificence (9)

Ross

I believe the answer is:

splendour

I'm a little stuck... Click here to teach me more about this clue!

'magnificence' is the definition.
(synonyms)

'pass time after hospital discharge taking in lake's' is the wordplay.
I cannot quite understand how this works, but
'pass' could be 'do' (doing is a kind of passing) and 'do' is present in the answer.
'lake' could be 'l' (geographical abbreviation) and 'l' is found in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for splendour that I've seen before include "Sumptuous display - Len's proud (anag)" , "Magnificence, brilliance" , "Brilliant appearance" , "Glory, brilliance" , "Opulence" .)

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