One yielding to a generous impulse? (5)

I believe the answer is:

giver

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'one yielding to a generous impulse?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

This is all the clue.

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(Other definitions for giver that I've seen before include "Bestower" , "Present source" , "presenter" , "Donor" .)

I've seen this clue in the Evening Standard.

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