IL'LATAIVE, adjective [See Illation.] Relating to illation; that may be inferred; as an illative consequence. 1. That denotes an inference; as an illative word or particle, as then and therefore. IL'LATAIVE, noun That which denotes illation or inference.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI