com·ple·men·tiz·er
(kŏm′plə-mĕn-tī′zər)n. A word that introduces a clause, especially a subordinate clause, such as the word that in I believe that they have eaten lunch.
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.
complementizer
(ˈkɒmplɪmənˌtaɪzə) n (Grammar) generative grammar a word or morpheme that serves to introduce a complement clause or a reduced form of such a clause, as that in I wish that he would leave
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
com•ple•men•tiz•er
(ˈkɒm plə mənˌtaɪ zər)
n. (in generative grammar) an element or elements marking a complement clause, as that in We thought that you forgot or for … to in For you to come here would be silly.
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