1875. Gordon Campbell, Wilson Edward William Morrison, E B Iwan-Müller, Frederick Sanders Pulling, Francis Griffin Stokes, The Shotover Papers, Or, Echoes from Oxford, University of Oxford, page 73,
It is not however easy -- perhaps it is impossible -- to reveal a discovery so wonderful by popular exoterism on the point: posterity will amplify and expound in dry but acumonious logic what I have here only to put forth in its great Severity and Profundity.
Source: wiktionary
1919. Helena Petrovna Blavatsky, Isis Unveiled: A Master Key to the Mysteries of Ancient and Modern Science, The Aryan Theosophical Press, page 535,
The thought of the present-day commentator and critic as to the ancient learning, is limited to and runs round the exoterism of the temples...
Source: wiktionary
2003. Reiner Schürmann, Reginald Lilly, Broken Hegemonies, Indiana University Press, page 248,
In their exoterism, they showed civic sense is most demanding.
Source: wiktionary