Definitions for "A priori"
Characterizing that kind of reasoning which deduces consequences from definitions formed, or principles assumed, or which infers effects from causes previously known; deductive or deductively. The reverse of a posteriori.
Applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible.
Latin phrase for designated in advance. The usual statistical hypotheses are regarded as having been specified without reference to the data. Tests are carried out as though the hypotheses had been proposed in advance even if the researcher had been lax about specification. The alternative to prior designation is a post-hoc test, so named because the hypothesis to be evaluated is constructed as a result of something interesting having emerged in the data.
derived by logic, without observed facts
Conclusions proceeding investigation and based on theory rather than on actual observation
A generalization resting on presuppositions, not upon proven facts.
Known though reasoning and/or intuition along, independently of physical evidence.
Before evaluating the evidence.
Keywords:  ahead, philosophy, known, hand, time
Known ahead of time.
a term from philosophy, that which is known before hand
Knowledge, judgments, and principles which are true without verification or testing. It is universally true.