nat·u·ral adj1: based on an inherent sense of right and wrong2 a: existing as part of or determined by naturethe natural condition of the landb: being in accordance with or arising from nature esp. as distinguished from operation of law see also natural person compare artificialc: arising from the usual course of eventsa natural result of the accident3 a: begotten as distinguished from adoptedb: being a relation by consanguinity as distinguished from adoptionnatural parents4: illegitimatea natural childnat·u·ral·ly adv
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
artless, authentic, characteristic, connate, consistent, crude, free from affectation, fundamental, genuine, inborn, inbred, indigenous, ingenerate, ingrained, innate, innatus, instinctive, instinctual, lifelike, native, nativus, normal, organic, original, pure, real, realistic, regular, true to life, typical, unadulterated, unartificial, uncultivated, unsynthetic, untouched
associated concepts: natural law
bodily, born (innate), common (customary), conventional, familiar (customary), genuine, habitual, informal, ingenuous, inherent, innate, legitimate (lawfully conceived), naive, native (inborn), normal (regular), organic, physical, prevailing (current), real, realistic, regular (conventional), simple, spontaneous, unaffected (sincere), undistorted, unobtrusive, unpretentious, usual, veridical
Burton's Legal Thesaurus. William C. Burton. 2006
adj.Caused by nature or existing in nature; not artificial.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.