illative
1 of 2noun
il·la·tive ˈi-lə-tiv 
i-ˈlā-
i-ˈlā- 1
: a word (such as therefore) or phrase (such as as a consequence) introducing an inference
2
: illation sense 2
illative
2 of 2adjective
: inferential
illatively adverb
Word History
First Known Use
Noun
1591, in the meaning defined at sense 1
Adjective
1611, in the meaning defined above