English Dictionary

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illative (ɪˈleɪtɪv Pronunciation for illative



  1. of or relating to illation; inferential
  2. (grammar) denoting a word or morpheme used to signal inference, for example so or therefore
  3. (in the grammar of Finnish and other languages) denoting a case of nouns expressing a relation of motion or direction, usually translated by the English prepositions into or towards Compare elative (sense 1)


  1. (grammar)
    1. the illative case
    2. an illative word or speech element

Derived Forms

ilˈlatively adverb

Word Origin

C16: from Late Latin illātīvus inferring, concluding


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