Synonyms of a priori

Adjective

1. a priori (vs. a posteriori), analytic#4, analytical, deductive

usage: involving deductive reasoning from a general principle to a necessary effect; not supported by fact; "an a priori judgment"

2. a priori, theoretical (vs. empirical), theoretic

usage: based on hypothesis or theory rather than experiment

Adverb

1. a priori

usage: derived by logic, without observed facts