Adjective
Of or relating to Joseph Addison (1672–1719), English writer and politician.
Of or relating to Addison's disease
Addisonian crisis
Addisonian pernicious anaemia
addisonian (not comparable)
Alternative letter-case form of Addisonian.
The series of essays called "The Busy-Body", which he wrote for Bradford's American Mercury in 1729, followed the general Addisonian form, already modified to suit homelier conditions. Source: Internet