Hover

If a creature can hover, it can remain in the air if it is stunned. See also fly speed.

Published in Monster Manual 2, page(s) 217, Player's Handbook 3, page(s) 221, Divine Power, page(s) 159, Rules Compendium, page(s) 312, Monster Vault: Threats to the Nentir Vale, page(s) 123.