Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class IV. Words Relating to the Intellectual Faculties
Division (II) Communication of Ideas
Section II. Modes of Communication

540. Teacher.

   NOUN:TEACHER, trainer, preceptor, instructor, institutor [obs.], master, tutor, director, coryphæus [Oxford Univ.], dry nurse [slang], coach [colloq.], crammer [colloq.], grinder [college slang, Eng.], don [Univ. cant]; governor [obs.], bear leader [humorous]; governess, duenna; disciplinarian.
  professor, lecturer, reader, prelector or prælector, prolocutor, preacher; chalk talker, khoja [Turk.], munshi or moonshee [Moham.]; pastor [See clergy]; schoolmaster, dominie, usher [Brit.], pedagogue, abecedarian; schoolmistress, dame [rare], kindergartner, monitor, pupil teacher.
  GUIDE; expositor [See Interpreter]; guru [Hindu]; mentor [See adviser]; pioneer, apostle, missionary, propagandist; example [See Prototype].
  PROFESSORSHIP [See school].
  TUTELAGE [See teaching].
   ADJECTIVE:PEDAGOGIC or pedagogical, preceptorial, tutorial, professorial; scholastic [See teaching].
   QUOTATION:Qui docet discit.