Half-hearted welcomes for signs of saintliness? (5)

I believe the answer is:

halos

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'signs of saintliness?' is the definition.
(I've seen this in another clue)

I don't understand how the rest of the clue works.

(Another definition for halos that I've seen is " Saintly emblems".)

I've seen this clue in The Times.

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