Catholicity
Concise Oxford English Dictionary © 2008 Oxford University Press:
catholic/ˈkaθlɪk/
▶adjective
- 1 including a wide variety of things.
- 2 (Catholic) of the Roman Catholic faith.
■ of or including all Christians.
■ relating to the historic doctrine and practice of the Western Church.
– derivatives
Catholicism noun,
catholicity noun,
Catholicize (or Catholicise) verb,
catholicly adverb.
Catholicism noun,
catholicity noun,
Catholicize (or Catholicise) verb,
catholicly adverb.
– origin ME: from OFr. catholique or late L. catholicus, from Gk katholikos ‘universal’, from kata ‘in respect of’ + holos ‘whole’.
'Catholicity' also found in these Oxford entries:

