1. a posteriori - Adjective
2. a posteriori - Adverb
4. a posteriori - Adjective Satellite
Characterizing that kind of reasoning which derives propositions from the observation of facts, or by generalizations from facts arrives at principles and definitions, or infers causes from effects. This is the reverse of a priori reasoning.
Applied to knowledge which is based upon or derived from facts through induction or experiment; inductive or empirical.
Source: Webster's dictionaryThe study a posteriori of the distribution of consciousness shows it to be exactly such as we might expect in an organ added for the sake of steering a nervous system grown too complex to regulate itself. William James
For the truth is that our doctrines are usually only the justification a posteriori of our conduct, or else they are our way of trying to explain that conduct to ourselves. Miguel de Unamuno
It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us. Thomas Aquinas
I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature. Gottfried Leibniz
a posteriori demonstration Source: Internet
A few types of methods might work for finding optimal parameters from a likelihood function, including maximum likelihood (ML), maximum a posteriori (MAP), expectation-maximization (EM), and variational Bayes (VB). Source: Internet