Yes! View your WishList and select the Edit button under its name. Select "Accept Contributions" and follow the instructions. You can receive contributions using Paypal.com, a very popular way to send and receive money by email.
People making a contribution won't be able to see your email address.
You'll be able to see and edit the contributions people make under your WishList. You'll also be able to see contributions made under your Paypal.com account.