Crossword Genius

A humorous way to get down (6)

Ross

I believe the answer is:

alight

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

'get down' is the definition.
(thesaurus)

'a humorous way' is the wordplay.
I cannot really understand how this works, but
'a' is present in the answer.
The remaining letters 'light' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'to' acts as a link.

Can you help me to learn more?

(Other definitions for alight that I've seen before include "Descend, being on fire" , "Ignited; get off" , "in flames" , "(Of bird) settle" , "Step off the bus because it's on fire?" .)

I've seen this clue in the Sydney Morning Herald.
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