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

• ferned
• fernless
• fernlike
• ferny
• Ferocactus
• ferocious
• ferociously
• ferociousness
• ferocity
• Ferrara
• ferret
• ferret badger
• ferret out
• ferret-sized
• ferriage
• ferric
• ferric oxide
• ferricyanic acid
• ferricyanide
• ferriferous
• ferrimagnetism
• Ferris wheel
• ferrite
• ferritin
• ferro-