complementizer(redirected from complementisers)
A word that introduces a clause, especially a subordinate clause, such as the word that in I believe that they have eaten lunch.
(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
com•ple•men•tiz•er(ˈkɒm plə mənˌtaɪ zər)
(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.