Possible Clues:

• Bring hand smartly to cap
• With respect to the South with strings attached or with guns
• Welcome
• Hail respectfully
• Greet with a sign
• One will get it in the army with strings attached at last
• Raise your hand and cut off the top for there to be strings attached
• Acknowledge (superior)
• Greet(ing)
• Accord respect to cook about fifty