Crossword Genius

Joyful five set off (7)

Ross

I believe the answer is:

festive

'joyful' is the definition.
(I've seen this before)

'five set off' is the wordplay.
'off' is an anagram indicator.
'five'+'set'='fiveset'
'fiveset' with letters rearranged gives 'FESTIVE'.

(Other definitions for festive that I've seen before include "Gay" , "Jolly" , "Celebratory, joyful" , "Merry" , "Christmassy" .)

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