If Turkish, it’s sweet! (7)

I believe the answer is:

delight

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'sweet' is the definition.
The definition and answer can be both related to thinking as well as being singular nouns.
Maybe you can see a link between them that I don't see?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for delight that I've seen before include "charm" , "Enjoyment" , "Glee; its spirit rare, Shelley" , "''A lonely impulse of ...'' (Yeats)" , "Enchant" .)

I've seen this clue in The Hindu.

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