1. (a.) Belonging to the doctrines of naturalism.

2. (a.) Closely resembling nature; realistic.

Cyrenaic Eleatic Epicurean Marxian Marxist Megarian Stoic animist animistic atomistic authentic bona fide candid card-carrying characteristic commonsense cosmotheistic delineative depictive descriptive dinkum distinctive distinguishing eclectic empirical eudaemonistic exemplary existential expositive expressive faithful following the letter general genuine good graphic hedonic hedonist hedonistic honest honest-to-God humanist humanistic hylomorphous hylotheistic idealistic inartificial instrumentalist lawful legitimate lifelike literal materialist materialistic mechanist mechanistic metaphysical monistic natural naturalist naturistic nominalist normal orderly original panlogistical pantheistic positivist positivistic pragmatic pragmatist pure quintessential rationalistic real realist realistic regular representative rightful sample scholastic sensationalistic simon-pure simple sincere sterling sure-enough syncretistic theistic transcendentalist transcendentalistic true to form true to life true to nature true to reality true to type typal typic typical unadulterated unaffected unassumed unassuming uncolored unconcocted uncopied uncounterfeited undisguised undisguising undistorted unexaggerated unexceptional unfabricated unfanciful unfeigned unfeigning unfictitious unflattering unimagined unimitated uninvented unpretended unpretending unqualified unromantic unsimulated unspecious unsynthetic unvarnished usual utilitarian verbal verbatim veridical verisimilar vitalistic vivid voluntarist voluntaristic well-drawn word-for-word