doctoral

from WordNet (r) 3.0 (2006)

doctoral
    adj 1: of or relating to a doctor or doctorate; "doctoral
           dissertation"; "doctorial candidates" [syn: {doctoral},
           {doctorial}]

from The Collaborative International Dictionary of English v.0.48

Doctoral \Doc"tor*al\, a. [Cf. F. doctoral.]
   Of or relating to a doctor, or to the degree of doctor.
   [1913 Webster]

         Doctoral habit and square cap.           -- Wood.
   [1913 Webster]