pros·e·lyte (pr?s??-l?t?)n. A new convert to a doctrine or religion.v. pros·e·lyt·ed, pros·e·lyt·ing, pros·e·lytes v.tr. To proselytize (a person).v.intr. To engage in proselytization.[Middle English proselite, from Old French, from Late Latin pros?lytus, from Greek pros?lutos, stranger, proselyte : pros-, pros- + ?luth- aorist tense stem of erkhesthai, to go.]pros?e·lyt?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.proselyte (?pr?s??la?t) n (Ecclesiastical Terms) a person newly converted to a religious faith or sect; a convert, esp a gentile converted to Judaismvb (Ecclesiastical Terms) a less common word for proselytize[C14: from Church Latin pros?lytus, from Greek pros?lutos recent arrival, convert, from proserchesthai to draw near] proselytism n proselytic adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pros?e?lyte (?pr?s ??la?t) n., v. -lyt?ed, -lyt?ing. n. 1. a person who has changed from one opinion, religious belief, sect, or the like to another; convert. v.i., v.t. 2. proselytize. [1325?75; Middle English