adj.: original, ancient, first or earliest, existing from the beginning, virgin, simple, savage, protopathic, pristine, primal, primitive, ordinary, medieval, initial, ignorant, germinal, fundamental, chthonic, antediluvian, aboriginal, prime
Thesaurus
vital, Prime, grand, predominant, principal, foremost, original, foremost, prime, firstly and most importantly, most important, vitally valuable, sequence unitary, embryonic, clear, overt, apparent, extreme, opening, Originally of, plain, outstanding, ancient, antediluvian, primitive, connate, from, ace, Outstanding, demonstrable, self-evident, self-explanatory, severe, telling, classic, coherent, radical, radical, careless, simple, upper, can stated, sensible customary, trivial, plain, of the ordinary or usual standard, common, quotidian, old, everyday, used or happening daily, conventional, green, orthodox, plain, so frequently seen, heard, etc that it is familiar and expected, expected, known for a long time, naive, commonplace, not decorated or luxurious, average, plain in form, design, etc, unexceptional, no special