Simple departure is without formality (4-5)

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4-5

easy-going

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'is without formality' is the definition.
I can't judge whether this definition defines the answer.

'simple departure' is the wordplay.
'simple' becomes 'easy' (similar in meaning).
'departure' becomes 'going' (synonyms).
'easy'+'going'='EASY-GOING'

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(Other definitions for easy-going that I've seen before include "Placid; over-tolerant" , "Carefree - relaxed" , "Placid and tolerant, not strict" , "Hairdresser's shop" , "Happy-go-lucky" .)

I've seen this clue in The Globe and Mail.

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