epistolary

from WordNet (r) 3.0 (2006)

epistolary
    adj 1: written in the form of or carried on by letters or
           correspondence; "an endless sequence of epistolary love
           affairs"; "the epistolatory novel" [syn: {epistolary},
           {epistolatory}]

from The Collaborative International Dictionary of English v.0.48

Epistolary \E*pis"to*la*ry\, a. [L. epistolaris, fr. epistola:
   cf. F. ['e]pistolaire.]
   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]