adjective. If someone invites or asks you to do something, you can say that you would be delighted to do it, as a way of showing that you are very willing to do it. [feelings] “You have to come to Todd’s graduation party.”—”I’d be delighted.”

Would be delighted or will be delighted?

You can use either one to give a different “feeling” to the sentence. If the person has already accepted your invitation, then you will be delighted … (often foll by an infinitive) extremely pleased (to do something): I’m delighted to hear it!. sentence substitute.

What is delighted used for?

You can use the adjective delighted to describe being really pleased or happy with something.