Main Entry: con·clu·sive

Pronunciation: \-ˈklü-siv, -ziv\

Function: adjective

Date: 1536

1 : of, relating to, or being a conclusion
2 : putting an end to debate or question especially by reason of irrefutability

— con·clu·sive·ly adverb

— con·clu·sive·ness noun

synonyms conclusive, decisive, determinative, definitive mean bringing to an end. conclusive applies to reasoning or logical proof that puts an end to debate or questioning <conclusive evidence>. decisive may apply to something that ends a controversy, a contest, or any uncertainty <a decisive battle>. determinative adds an implication of giving a fixed character or direction <the determinative factor in the court's decision>. definitive applies to what is put forth as final and permanent <the definitive biography>.