The Collaborative International Dictionary
Dialogistical
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.
Wiktionary
dialogistical
a. (alternative form of dialogistic English)