Place broccoli, carrots, onion, garlic and water in medium saucepan; cover. Bring to boil on medium-high heat. Reduce heat to medium-low; cook 3 to 5 min. or until broccoli is crisp-tender.
Combine cornstarch, broth and teriyaki sauce. Stir into vegetable mixture; cover. Cook on medium heat until broccoli is tender.