Webster's Revised Unabridged Dictionary · 1913

Illation

Illation , noun

[Latin illatio, from illatus, used as past participle of inferre to carry or bring in, but from a different root: compare French illation. See 1st In-, and Tolerate, and compare Infer.]

The act or process of inferring from premises or reasons; perception of the connection between ideas; that which is inferred; inference; deduction; conclusion.
Fraudulent deductions or inconsequent illations from a false conception of things. — Sir T. Browne