exoteric
/ˌeksəʊˈterɪk/adjective
1- formal (especially of a doctrine or mode of speech) intended for or likely to be understood by the general public〈正式〉（尤指学说或说话方式）一般人能理解的; 通俗的。ESOTERIC的反义词。
1.1
- current or popular among the general public流行的; 普遍的。
词源
mid 17th cent.: via Latin from Greek exōterikos, from exōterō 'outer', comparative of exō 'outside'.