verification
/ˌverɪfɪˈkeɪʃən/noun
mass noun
1- the process of establishing the truth, accuracy, or validity of something证实; 证明; 核实：
the verification of official documents.
正式文件的核实。
1.1
- often as modifier Philosophy the establishment by empirical means of the validity of a proposition【哲】（通过实证方法对命题）证实。
1.2
- the process of ensuring that procedures laid down in weapons limitation agreements are followed（确保裁减武器协议所规定程序得以执行的）核查。
词源
early 16th cent.: from Old French or from medieval Latin verificatio（n-）, from the verb verificare （see VERIFY）.