angelic
the Angelical doctor

assist
...assisted the doctor in the operation

D. Agr.
Doctor of Agriculture

D. Agr. Sc.
Doctor of Agricultural Science

DCL
Doctor of Civil Law

DD
Doctor of Divinity

DDS
Doctor of Dental Surgery

DDSc
Doctor of Dental Science

DEng.
Doctor of Engineering

divinity
doctor of Divinity

DLitt
Doctor of Literature

DMus
Doctor of Music

DO
Doctor of Optometry

doctor
to go to the doctor

dose up
he's been dosed up by the doctor

DPH
Doctor of Public Health

Dr
Doctor

DSc
Doctor of Science

DT
Doctor Theologiae

DVS
Doctor of Veterinary Surgery

Ed.D.
Doctor of Education

JD
Juris Doctor

JUD
Doctor of Canon and Civil Law (Juris Utriusque Doctor)

LittD
Litterarum Doctor (Doctor of Literature)

LLD
Legum Doctor (Doctor of Laws)

MD
Medicinae Doctor (Doctor of Medicine)

MusD
Doctor of Music

send for
the doctor was sent for

seraphic
the Seraphic Doctor

STD
...Sacred Theology) doctor