It's delightful if anyone can stand it (5)

I believe the answer is:

treat

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'it' is the definition.
The definition suggests a singular noun which matches the answer.

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(Other definitions for treat that I've seen before include "Shout" , "Enjoyable party" , "Delightful outing; pay for (someone else)" , "Pay for someone's food or entertainment" , "Alternative to trick" .)

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

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