The Collaborative International Dictionary
Expostulatory \Ex*pos"tu*la*to*ry\, a. Containing expostulation or remonstrance; as, an expostulatory discourse or letter.
Wiktionary
a. Of, characterized by, or exhibiting expostulation.
Usage examples of "expostulatory".
He gazed placidly up at the deck-beams over his nose until the baffled Brown withdrew, and then he snuggled down again, controlling an expostulatory heave of his stomach.
He had immediately received an expostulatory dispatch from headquarters which henceforth shut his mouth—but he had told the simple truth, and how embarrassing that was became evident when, on the very table around which the savants were now assembled, three dispatches were laid in quick succession from the great observatories of Mount Hekla, Iceland, the North Cape, and Kamchatka, all corroborating the statement of the Mount McKinley observer, that an inexplicable veiling of faint stars had manifested itself in the boreal quarter of the sky.
I confess with shame, it was an unpardonable omission to proceed so far as I have already done, before I had performed the due discourses, expostulatory, supplicatory, or deprecatory, with my good lords the critics.