1. At the proper time
   "she was duly apprised of the raise"
   - punctually 
2. In a due, fit, or becoming manner; as it ought to be; properly

See also: due

• brinksmanship
• Brinton
• briny
• brio
• brioche
• briony
• Brioschi
• briquet
• briquette
• Bris
• brisance
• brisant
• Brisbane
• Brisbane quandong
• brisk
• brisk up
• brisken
• brisket
• briskly
• briskness
• brisling
• Briss
• bristle
• bristle at
• bristle brush