approbatory

Perhaps something of this kind is to be found in the approbatory response, from which the French are said to have made up the word Iroquois.

From An Address, Delivered Before the Was-ah Ho-de-no-son-ne or New Confederacy of the Iroquois Also, Genundewah, a Poem by William H. C. (William Howe Cuyler) Hosmer

Chloe went through the same process; they looked significantly at each other, nodded, set the pitchers on the slab, and gave a little approbatory cough.

From The Wit and Humor of America, Volume II. (of X.) by Marshall Pinckney Wilder

Amazement, approbatory or the reverse, at this spectacle is the beginning of surprises which the spectral visitor would find in store.

From Social Transformations of the Victorian Age A Survey of Court and Country by T. H. S. (Thomas Hay Sweet) Escott

The city became excited—a public meeting was called, strong indignation resolutions were passed, and highly approbatory ones of the course and conduct of the intrepid senator, pledging him countenance and support.

From The Memories of Fifty Years Containing Brief Biographical Notices of Distinguished Americans, and Anecdotes of Remarkable Men; Interspersed with Scenes and Incidents Occurring during a Long Life of Observation Chiefly Spent in the Southwest by William Henry Sparks

Robespierre, at first approbatory, knew not at last what to think; then thought, with his Jacobins, that Camille must be expelled.

From The French Revolution by Thomas Carlyle