Crossword Genius

Set company? (4)

Ross

I believe the answer is:

firm

I believe this is a double definition.

'set' is the first definition.
(thesaurus)

'company?' is the second definition.
(firm can mean a company or business)

(Other definitions for firm that I've seen before include "Unflinching" , "House" , "Tight; company" , "Resolute kind of business" , "Solid; secure" .)

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