a. [ L. epistolaris, fr. epistola: cf. F. épistolaire. ] 1. Pertaining to epistles or letters; suitable to letters and correspondence; as, an epistolary style. [ 1913 Webster ]
2. Contained in letters; carried on by letters. “Epistolary correspondence.” Addison. [ 1913 Webster ]
(adj) written in the form of or carried on by letters or correspondence, Syn. epistolatory, Example:an endless sequence of epistolary love affairs; the epistolatory novel
[ぎ, gi] (n) (1) ceremony; (2) matter; affair; (suf) (3) with regard to (used after a person's name, a personal pronoun, etc. in epistolary style); as for; as concerns; (P)#4765