Related Clues:

• High-spirited mount
• Worried walker
• Holy man gets reports of fourth letter coming back by way of spirited horse
• Noble horse
• ''. . . as a __ that knows its rider'': Byron
• Right at the end of 6 down is horse out in front of stable companion
• Horse in battle
• '70s AMC compact
• Walking worrier
• One of "The Avengers"
• Specialized racehorse
• Fine mount
• Knightly ride
• Transport for the fairytale prince
• Lone Ranger's Silver, for one