existential

英[,egzɪ'stenʃ(ə)l] 美[,ɛɡzɪ'stɛnʃəl]

1. derived from experience or the experience of existence;

"the rich experiential content of the teachings of the older philosophers"- Benjamin Farrington

"formal logicians are not concerned with existential matters"- John Dewey

2. of or as conceived by existentialism;

"an existential moment of choice"

3. relating to or dealing with existence (especially with human existence)