Augustinian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Augustinian /ˌɔːgəˈstɪnɪən/
▶adjective relating to St Augustine (354–430) or his doctrines.
■ relating to or denoting a religious order observing a rule derived from St Augustine's writings.
▶noun a member of an Augustinian order.■ an adherent of the doctrines of St Augustine.
'Augustinian' also found in these Oxford entries:

