Synonyms: existential, experiential
Definition: derived from experience or the experience of existence
Usage: the rich experiential content of the teachings of the older philosophers- Benjamin Farrington; formal logicians are not concerned with existential matters- John Dewey
Similar words: empiric, empirical
Definition: derived from experiment and observation rather than theory
Usage: an empirical basis for an ethical theory; empirical laws; empirical data; an empirical treatment of a disease about which little is known