• WordNet 3.6
    • adj illative expressing or preceding an inference "`therefore' is an illative word"
    • adj illative resembling or dependent on or arrived at by inference "an illative conclusion","inferential reasoning"
    • adj illative relating to or having the nature of illation or inference "the illative faculty of the mind"
    • ***
Webster's Revised Unabridged Dictionary
    • n Illative An illative particle, as for because.
    • a Illative Relating to, dependent on, or denoting, illation; inferential; conclusive; as, an illative consequence or proposition; an illative word, as then therefore, etc.
    • ***
Century Dictionary and Cyclopedia
    • illative Relating to illation; drawing or able to draw inferences.
    • illative Due to illation; inferential; inferred.
    • illative Denoting an inference: as, an illative word or particle, as then and therefore.
    • n illative That which denotes illation or inference.
    • n illative An illative particle.
    • illative In grammar, noting the case expressing motion into. See introessive.
    • n illative In grammar, the illative case.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Illative denoting an inference: that may be inferred
    • ***


Webster's Revised Unabridged Dictionary
L. illativus,: cf. F. illatif,
Chambers's Twentieth Century Dictionary
Fr.,—L. illation-eminferre, illātumin, in, into, ferre, to bear.


In literature:

Newman, on the Illative Sense, 6.
"Darwin, and After Darwin (Vol. 1 and 3, of 3)" by George John Romanes
If this be the Illation.
"Discourse on Floating Bodies" by Galileo Galilei
And to have faith we must admit the Illative sense of John Henry Newman.
"Unicorns" by James Huneker
But this is a very injust illation, not well considering with what variety this part is seated in Birds.
"The Works of Sir Thomas Browne (Volume 1 of 3)" by Thomas Browne
Some have written Rhetorically, and concessively, not controverting, but assuming the question, which taken as granted, advantaged the illation.
"The Works of Sir Thomas Browne (Volume 2 of 3)" by Thomas Browne

In news:

Phil Jackson, apparently emboldened by a long career and large family, paid a visit to pox-illated/quarantined guard Steve Blake on Thursday night, hoping to keep him in the loop with some game film.