1. Written in the form of or carried on by letters or correspondence
   "the epistolatory novel"
   - epistolary

See also: informal

• postorbital
• postpaid
• postpartum
• postpone
• postponement
• postponer
• postpose
• postposition
• postpositional
• postpositive
• postprandial
• postscript
• posttraumatic amnesia
• posttraumatic epilepsy
• posttraumatic stress disorder
• postulant
• postulate
• postulation
• postulational
• postulator
• Postum
• postural
• postural hypotension
• posture
• posturer