I. |adə|sōnēən, -nyən adjective
Usage: often capitalized
Etymology: Joseph Addison died 1719 English essayist + English -ian
1. : of or resembling Addison or his characteristic writings
2. : clear and polished in literary style
II. adjective
Usage: usually capitalized
Etymology: Thomas Addison + English -ian
: of, relating to, or affected with Addison's disease
addisonian crisis
addisonian patient