WordWeb Online

1. After an unspecified period of time or an especially long delay
   "finally the family left the house";
   - eventually
    
2. As the end result of a succession or process
   "finally he had to give in";
   - ultimately, in the end, at last, at long last
    
3. Introducing the last item or a series
   "finally, I'll discuss family values";
   - last, lastly, in conclusion

Encyclopedia: Finally, Sunday!