D defs.my
Entry 1 sense Webster, 1913

Duly

/do͞ol'-ē/ · Du·ly · IPA /ˈduli/
01 adv. In a due, fit, or becoming manner; as it (anything) ought to be; properly; regularly.
  1. 1.
    In a due, fit, or becoming manner; as it (anything) ought to be; properly; regularly.