Adjective meaning elementary or relating to first principles
The definition of elementary is something simple and basic, or the ... of 
first principles, rudiments, or fundamentals; introductory; basic; simple; of or ... Of, 
relating to, or involving the fundamental or simplest aspects of a subject: an... [DOC] [TLE] First principle Synonyms, First principle Antonyms | Thesaurus.com [PAR] Synonyms for first principle at Thesaurus.com with free online thesaurus, 
antonyms, and definitions.