Related Clues:

• Concentional expression of appreciation
• One is never in grate with this
• How the Yank gets confused with you around, but not in grate, perhaps
• It's said to be never in grate, perhaps
• Not to be found in grate?
• The polite way to start 11 across, in short
• You'll never get this from one in grate
• Cheers!
• 'Not coming from in grate (5,3)'
• Hidden in that hanky ought to be an expression of appreciation
• Acknowledgement of one taking blows in outback
• Emotional Oscar winner's requirement in churning out briefest of acceptance speeches?
• Hanky out when upset, but with a grateful expression
• Short trip round square pocketed as grateful recognition
• Polite acknowledgment