Source : Webster's Revised Unabridged Dictionary (1913)

Dialogistic \Di*al`o*gis"tic\, Dialogistical
\Di*al`o*gis"tic*al\, a. [Gr. ?.]
   Pertaining to a dialogue; having the form or nature of a
   dialogue. -- {Di*al`o*gis"tic*al*ly}, adv.