term:

Natural

natural adj

1 : based on an inherent sense of right and wrong [ justice] see also natural law, natural right
2 a : existing as part of or determined by nature [the condition of the land]
b : being in accordance with or arising from nature esp. as distinguished from operation of law see also natural person compare artificial
c : arising from the usual course of events [a result of the accident]
3 a : begotten as distinguished from adopted
b : being a relation by consanguinity as distinguished from adoption [ parents]
4 : illegitimate [a child]
nat·u·ral·ly adv