Early 17th century; earliest use found in Thomas Gataker (1574–1654), Church of England clergyman and scholar. From (i) post-classical Latin dialogisticus.
Definition of dialogistical in US English:
dialogistical
adjectiveˌdʌɪələˈdʒɪstɪkl
rare
= dialogistic.
Origin
Early 17th century; earliest use found in Thomas Gataker (1574–1654), Church of England clergyman and scholar. From (i) post-classical Latin dialogisticus.