Well, that depends on what they like and what you can afford. Some ideas for gifts could be:
* A nice bottle of wine
* A nice pen or pencil set
* A gift card to their favorite store
* A new book they've been wanting to read
* A cozy sweater
* A new mug or coffee cup
* A fancy bottle of lotion or hand cream
* A personalized ornament
* A new pair of slippers