Natural

common usual ordinary typical general regular familiar customary habitual consistent constant universal characteristic native legitimate probable reasonable logical spontaneous essential inherent inborn innate matter-of-course anticipated counted on relied on looked for prevailing prevalent uniform accustomed commonplace congenital connatural ingenerate instinctive intuitive involuntary natal typic unacquired uncontrolled indigenous

frank simple sincere easy direct genuine real plain candid naive artless unaffected unpretentious laid-back straightforward spontaneous ingenuous unassuming unforced unstudied trusting unfeigned forthright instinctive uncontrived unlabored unpolished unsophisticated unworldly childlike homey folksy rustic primitive up-front simplehearted being oneself ignorant credulous impulsive inartificial provincial undesigning unembarrassed unschooled