[f. SUCCESSION + -IST.] One who maintains the validity or necessity of a succession; esp. one who upholds the doctrine of the Apostolic Succession. (Also Apostolic Successionist.)
1846. in Worcester (citing Ecl. Rev.).
1895. J. Alison, in Romanism & Ritualism, 18. To the Ritualist, the Sacerdotalist, and the Apostolic Successionist, we say the body is more than raiment [etc.].