Source : Webster's Revised Unabridged Dictionary (1913)

Duteous \Du"te*ous\, a. [From {Duty}.]
   1. Fulfilling duty; dutiful; having the sentiments due to a
      superior, or to one to whom respect or service is owed;
      obedient; as, a duteous son or daughter.

   2. Subservient; obsequious.

            Duteous to the vices of thy mistress. --Shak.
      -- {Du"te*ous*ly}, adv. -- {Du"te*ous*ness}, n.

Source : WordNet®

duteous
     adj : willingly obedient out of a sense of duty and respect; "a
           dutiful child"; "a dutiful citizen"; "Patient Griselda
           was a chaste and duteous wife"; [syn: {dutiful}]