an essential and distinguishing attribute of something or someone

the quality of being natural or based on natural principles

speaking or behaving in an artificial way to make an impression

the quality of being false or artificial (as to impress others)

the quality of being produced by people and not occurring naturally

the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)

the quality of being attributed to power that seems to violate or go beyond natural forces