WordNet sense 1 (a notation cancelling a previous sharp or flat):

cancel

WordNet sense 2 (unthinking; prompted by (or as if by) instinct):

instinctive

WordNet sense 3 (happening or arising without apparent external cause):

spontaneous, self-generated

WordNet sense 4 ((used especially of commodities) being unprocessed or manufactured using only simple or minimal processes):

raw, rude

WordNet sense 5 (not altered from an original or natural state):

unprocessed

WordNet sense 6 (conforming with or constituting a norm or standard or level or type or social norm; not abnormal):

normal

WordNet sense 7 (according with material things or natural laws (other than those peculiar to living matter)):

physical

WordNet sense 8 (of parents and children; related by blood):

biological

WordNet sense 9 (being talented through inherited qualities):

born, innate

WordNet sense 10 (having the capacity for thought and reason especially to a high degree):

intelligent

WordNet sense 11 (free from artificiality):

lifelike