An elevating Kipling poem of simple innocence (4)

I believe the answer is:

naif

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'an elevating kipling poem of simple innocence' is the definition.
I can't tell whether this definition defines the answer.

'an elevating kipling poem' is the wordplay.
'an elevating' becomes 'na' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'kipling poem' becomes 'If' (poem by Rudyard Kipling).
'na'+'if'='NAIF'

Can you help me to learn more?

(Other definitions for naif that I've seen before include "Green" , "Unsophisticated" , "somewhat ingenuous" , "Unworldly" , "unaffected simplicity" .)

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

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