Source : Webster's Revised Unabridged Dictionary (1913)

Effendi \Ef*fen"di\, n., [Turk. efendi, fr. Modern Gr. ?, fr.
   Gr. ? a chief. See {Authentic}.]
   Master; sir; -- a Turkish title of respect, applied esp. to a
   state official or man of learning, as one learned in the law,
   but often simply as the courtesy title of a gentleman.

Effendi \Ef*fen"di\, n. [Turk. efendi, fr. Modern Gr. ?, fr. Gr.
   ? a chief. See {Authentic}.]
   Master; sir; -- a title of a Turkish state official and man
   of learning, especially one learned in the law.

Source : WordNet®

effendi
     n : a former Turkish term of respect; especially for government
         officials