1650s, from Medieval Latin inferentia (see inference) + -al (1). Related: Inferentially.
Entries linking to inferential
inference n.
1590s, "action of inferring;" 1610s, "that which is inferred;" from Medieval Latin inferentia, from Latin inferentem (nominative inferens), present participle of inferre "bring into; conclude, deduce" (see infer).
-al 1
suffix forming adjectives from nouns or other adjectives, "of, like, related to, pertaining to," Middle English -al, -el, from French or directly from Latin -alis (see -al (2)).
referential adj.
"relating to or having reference to," 1650s, from reference (n.) on model of inferential, etc. Related: Referentially.