college degrees for older people?

Please pardon my English!

My mother has always regretted not going to school. And now that the kids are out of the house and she has the time, I'd really like to give her a shot at it. But I'd like to have a few degrees and career options to run past her, to get her excited about the prospect. She would obviously decide what she'd like to do herself, but I'd just like her to have a starting point.

Her situation is quite unique. She had been in a car accident a few years back and is somewhat limited in her movements (walking, her right side is weaker than the left and her speech is slowed) Her mind is perfectly sharp, but physically she is affected. So I'm not looking to get her into a program that is too physically taxing.

She does have experience with computers and had enjoyed the work (secretarial work) that she was doing before the accident. She does enjoy gardening. (I was thinking botany?) And has an astounding aptitude for languages, a love for literature and crosswords and brain teaser puzzles. So her range is quite extensive.

Can you think of any degrees that would be good for her to pursue? She is 47 years old.

Will choose best answer!