He is enraptured.

Overjoyed. Enraptured. Entranced.

Overjoyed, enraptured, entranced

I'm quite enraptured!

What had you so enraptured?

Has ever an audience been so enraptured? Mayhap.

The King of Spain is enraptured, and offers you his hand in marriage.

What do you think an enraptured female fan of mine might say?

I'm quite delighted you're here, Miss Marina. -I hope you are too. -Enraptured.

Her invigorating lack of decorum would have enraptured my younger self.