Of a fundamental principle (9)
I believe the answer is:
axiomatic
(Other definitions for axiomatic that I've seen before include "Pertaining to self-evident truths" , "Taken for granted" , "Given" , "Accepted" , "Self-evidently true" .)
I believe the answer is:
axiomatic
(Other definitions for axiomatic that I've seen before include "Pertaining to self-evident truths" , "Taken for granted" , "Given" , "Accepted" , "Self-evidently true" .)