Possible Clues:

• Exorcist forgetting his last prayer for Wordsworth
• With "Molto," it means "well done"
• Well: It.
• The "B" of N.B
• Well, in old Rome
• Legendary "Stand By Me" singer ___ King
• 'Molto ___!' (positive reply in Italy)
• The "b" of n.b
• Its superlative is ''optime''
• Positive response to 'Come va?'