The Collaborative International Dictionary
Explicative
Explicative \Ex"pli*ca*tive\, a. [Cf. F. explicatif.]
Serving to unfold or explain; tending to lay open to the
understanding; explanatory.
--Sir W. Hamilton.
Douglas Harper's Etymology Dictionary
explicative
1640s, "having the function of explaining," from Latin explicativus, from explicat-, past participle stem of explicare "unfold; explain" (see explicit). As a noun, from 1775.
Wiktionary
explicative
a. Explanatory; serving to explain logically or in detail.
Usage examples of "explicative".
Tout de suite Roger se mit a ecrire cette lettre, qui fut longuement explicative et surtout ardemment passionnee, mais qui ne dit pas un mot des projets de mariage avec Dayelle fils.