NATURALISTIC
naturalistic, realistic
(adjective) representing what is real; not abstract or ideal; “realistic portraiture”; “a realistic novel”; “in naturalistic colors”; “the school of naturalistic writers”
Source: WordNet® 3.1
Etymology
Adjective
naturalistic (comparative more naturalistic, superlative most naturalistic)
Having the appearance of nature or realism; lifelike or realistic.
Of or relating to philosophical or methodological naturalism.
Source: Wiktionary
Nat`u*ral*is"tic, a.
1. Belonging to the doctrines of naturalism.
2. Closely resembling nature; realistic. "Naturalistic bit of
pantomime." W. D. Howells.
Source: Webster’s Unabridged Dictionary 1913 Edition