ILLATIVE a.
inferential; conclusive; as, an illative consequence or proposition; an illative word, as then, therefore, etc. Illative conversion (Logic), a converse or reverse statement of a proposition which in that form must be true because the original proposition is true. -- Illative sense (Metaph.), the faculty of the mind by…
IMPERIAL a.
e authority, or one who wields it; royal; sovereign; supreme. "The imperial democracy of Athens." Mitford. Who, as Ulysses says, opinion crowns With an imperial voice. Shak. To tame the proud, the fetter'd slave to free, These are imperial arts, and worthy thee. Dryden. He sounds his imperial clarion along the whole li…
IMPROBABLE a.
he usual course of events; as, an improbable story or event. He . . . sent to Elutherius, then bishop of Rome, an improbable letter, as some of the contents discover. Milton. -- Im*prob"a*ble*ness, n. -- Im*prob"a*bly, adv.