The act of obtesting; supplication; protestation.(noun)
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Use "obtestation" in a sentence
"If we should say that this was not simply an oath, but a kind of obtestation, the holy man will be, in some degree, excusable."
"Nor did she farther press him on the subject; for, having concluded her prayer or obtestation, by clasping her hands together with solemnity, and then signing herself with the cross, she again addressed her grandson, in a tone more adapted to the ordinary business of life."
"“As you are a false varlet, had been the better obtestation.”"