Possible Clues:

• F get engaged in a caf¿
• Plight of a boyfriend after fine?
• Promise to marry
• To betroth
• Bond has a following surprisingly in Palace? Not half!
• Old-fashioned faith one's found in a female enthusiast going to church
• Get the engaged signal to do this
• That's the café, if you want to make an engagement
• In the face of this, if it's up to an engagement you're after
• Promise of marriage