Origin: 1300–50; Middle English < Latin conclūsiōn- (stem of conclūsiō), equivalent to conclūs(us) closed, past participle of conclūdere (conclūd- to conclude + -tus past participle suffix) + -iōn--ion
Related forms
con·clu·sion·al, adjective
con·clu·sion·al·ly, adverb
non·con·clu·sion, noun
pre·con·clu·sion, noun
Synonyms 1. ending, termination, completion, finale. See end1. 2. summation.
mid-14c., "deduction or conclusion reached by reasoning," from Fr. conclusion, from L. conclusionem, noun of action from concludere (see conclude). Also, from late 14c. "the end" (usually of speech or writing), "closing passages of a speech or writing."