existing in or in conformity with nature or the observable world; neither supernatural nor magical

functioning or occurring in a normal way; lacking abnormalities or deficiencies

(of a parent or child) related by blood; genetically related

being talented through inherited qualities

unthinking; prompted by (or as if by) instinct

free from artificiality

(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes

(craps) a first roll of 7 or 11 that immediately wins the stake

someone regarded as certain to succeed