natural

[1]	cancel
[2]	genius , artist , talent
[3]	(Archaic) idiot , imbecile , simpleton , fool , halfwit

adj.

[1]	ordinary , common , commonplace , normal , standard , regular , usual , customary , unexceptional , routine , habitual , typical , everyday , reasonable , logical , reasonable , sensible , accepted
[2]	normal , ordinary , regular , expected , spontaneous
[3]	simple , basic , fundamental , real , unartificial , genuine , unembellished , unadorned , unpretentious
[4]	unstudied , unconstrained , candid , frank , spontaneous , unaffected , easy , honest , straight , straightforward , artless , guileless , impulsive , unpremeditated , unaffected , ingenuous , unsophisticated , unsophistic(al)
[5]	true , real , genuine , actual , authentic , bona fide
[6]	lifelike , true to life , realistic
[7]	illegitimate , bastard
[8]	consistent , consonant , consequent , logical , reasonable , fitting , appropriate , proper , expected , not incongruous , understandable
[9]	organic , instinctive , organically grown , non-chemical , health
[10]	raw , rude
[11]	born , innate
[12]	lifelike