A priori is a Latin phrase meaning 'from the former' and is used in philosophy to refer to knowledge that is independent of experience. It is often contrasted with a posteriori, which refers to knowledge that is based on experience. The two crossword solutions for the term A priori are 'DERIVABLE' (9 letters) and 'DOGMATIC' (8 letters). DERIVABLE means capable of being deduced or inferred from something else, while DOGMATIC means expressing an opinion in an arrogant and authoritarian manner.