The seat’s alight! (6)

I believe the answer is:

settle

I believe this clue is a double definition.

'the seat's' is the first definition.
(settle is a kind of seat)

'alight' is the second definition.
(thesaurus)

(Other definitions for settle that I've seen before include "Decide - stop moving" , "Arrange; colonise" , "somewhere in North Yorkshire" , "Put down roots or pay debt" , "Come to rest -- North Yorkshire market town" .)

I've seen this clue in the Evening Standard.

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