Meaning of A PRIORI in English

A PRIORI

[ L. ]

1.

Theoretically, before experience, before trial, from assumed principles.

2.

From pure reason, from the nature of the case, independently of all experience, necessarily, absolutely, apodictically, primordially, aboriginally, constitutionally.

Soule. Dictionary of English synonyms.      Словарь английских синонимов.