A-posteriori Definition

ä pŏ-stîrē-ôrē, -ôrī, ā
adjective
From effect to cause, or from particular instances to a generalization; inductive or inductively.
Webster's New World
Justified by appeal to experience.
American Heritage
Based on observation or experience; empirical.
Webster's New World

(linguistics, of a constructed language) Developed on a basis of languages which already exist.

Wiktionary
Antonyms:
a priori
adverb

From what comes after. Inductive; empirical; reasoning or the ascertaining of truth by actual experience or observation. See also a priori.

Webster's New World Law
(logic) In a manner that deduces theories from facts.
Wiktionary
Antonyms:
a priori
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Origin of A-posteriori

  • Medieval Latin ā posteriōrī Latin ā from Latin posteriōrī ablative of posterior later

    From American Heritage Dictionary of the English Language, 5th Edition

  • L, lit., from what comes later < a, ab, from + posteriori, abl. of posterior: see posterior

    From Webster's New World College Dictionary, 5th Edition

  • From Latin a posteriori (“latter”), literally “from the latter”.

    From Wiktionary