Definition of "epistolatory" [epistolatory]

• Written in the form of or carried on by letters or correspondence (adjective)

WordNet. Princeton University. 2010.

• "The RPI index is running at 4.8% and CPI? the measure targeted by the Bank? at 3.1%, forcing governor Mervyn King to put pen to paper for the third time this year to explain to the chancellor why he has missed his 2% goal; it is turning into an epistolatory bad habit."
• "In the literary genre, Sutherland recommends the Screwtape Letters, CS Lewis's epistolatory novel of Christian apologetics; Letters to my Torturer, Iranian journalist Houshang Asadi's searing memoir of his 682 days in solitary confinement written in the form of letters to Brother Hamid, his torturer; and the remarkable website Letter to my Abuser, on which women can publish letters to their abusers."
• "As for Rome and Greece, philosophy is not ancient in those places as their original sciences were rhetoric, epistolatory and poetry ¦ until Abraham became a prophet and he taught them the science of divine unity."