Related Clues:

• Word said with vigorous nodding
• Ancient greeting
• See 25-Across
• ST
• The final word
• 'Agreed!'
• 'Right on!'
• Forum greeting
• God 'the most merciful'
• 'I agree!'
• 'I'll second that'
• Greeting for Galba
• Encouraging word
• Revival meeting cry
• Pennsylvania ___