nature;  natural;  spontaneous;  naturally;  spontaneously
 unnatural;  artificial;  affected;  strained
 natural posture (esp. in judo);  natural stance;  natural attitude;  relaxed manner;  calm manner
 nature;  the natural world;  realm of nature
 natural phenomenon (phenomena)
 spontaneous generation;  abiogenesis;  natural occurrence;  spontaneous occurrence
 nature park;  natural park
 occult;  transcendental;  supernaturalness;  supernaturalism;  supernaturality
 natural extinction;  dying a natural death;  coming to a natural end
 self-healing;  spontaneous recovery
 natural (physical) environment
 (dying of) natural causes
 law of nature;  natural law
 natural light;  unpolarized light
 natural healing power;  self-healing power;  spontaneous cure
 blessings of nature;  nature's bounty;  gifts of nature
 natural number;  nonnegative integer
 natural energy (usu. renewable energy)
 physics (study of natural science in ancient Greek philosophy)
 natural state;  natural condition
 natural food;  health food
 naturally growing tree;  tree that does not grow in a tree plantation
 natural tendency;  natural course of events;  force of circumstances
 natural farming (farming method invented by Masanobu Fukuoka);  the Fukuoka method
 natural material;  natural ingredient
 natural person (e.g. one unspoilt by civilization, civilisation)
 natural conception;  natural pregnancy
 natural foods;  organic food
 natural heritage;  natural heritage site
 abandoning artifice and just being oneself;  doing nothing and taking things as they come;  unconditioned nature;  unconditioned spontaneity
 primitive religion;  natural religion
 natural right;  right under natural law
 theory of spontaneous generation
 world natural heritage site
 self-discharge (of a battery)
 natural language processing;  NLP
 physical geography;  physiography
 natural abortion;  spontaneous abortion;  miscarriage
 natural landscape;  natural scenery
 "natural funeral";  returning a dead person to nature (esp. through the scattering of ashes)
 autotherapy;  self-healing
 (Japanese) Natural Conservation Law (1972)
 (in the Diet) a spontaneous recess
 natural or automatic increase in revenue
 avulsion (e.g. removal of land by the action of water)
 malum in se;  act inherently wrong by nature
 native mercury (natural mercury found associated with cinnabar)
 naturopath;  natural therapist
 natural rate of increase;  rate of natural increase
 searching with natural language;  natural sentence search