Related Clues:

• Flirting, having no head for marriage
• Waste of time if there's no date to treaty
• Tessa, say, intimate before lunch
• Everyone in church held together by a union committed to common purpose
• Union gets everybody a nice settlement
• A mate getting married in the short term?
• Flirtation non-starter, given marriage
• Empty-headed flirt­ation leads to marriage
• League - treaty
• Marriage - union
• Mar cony (anag)
• A joining of forces
• Word made from initial letters of other words
• Word made up of initials
• AIB, say, will show old friend in the morning