by virtue of office, sanctioned, authoritatively; see approved, officially 1.
"ex officio." YourDictionary, n.d. Web. 22 June 2018. <http://thesaurus.yourdictionary.com/ex-officio>.
ex officio. (n.d.). Retrieved June 22nd, 2018, from http://thesaurus.yourdictionary.com/ex-officio
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