il·la·tive (ĭlə-tĭv, ĭ-lā-)
1. Of, relating to, or of the nature of an illation.
2. Expressing or preceding an inference. Used of a word.
3. Grammar Of, relating to, or being a grammatical case indicating motion toward or into in some languages, as in Finnish Helsinkiin, "to Helsinki."
1. A word or phrase, such as hence or for that reason, that expresses an inference.
2. See illation.
a. The illative case.
b. A word or form in the illative case.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.