When you are eating at a restaurant, the server may tell you bon apptit, which means good appetite, or enjoy your meal.
VOA: special.2010.04.18
His report says there is "no appetite or good reason to change the basic approach underlying British military campaign medals policy", which is that they "should be awarded sparingly, on the basis of genuine risk and rigour".
The IMF raised its forecast for overall global GDP growth and U.S. GDP growth for 2010, which could be considered good news and increase risk appetite.