au ‧ then ‧ tic ‧ i ‧ ty /ˌɔːθenˈtɪsəti, ˌɔːθenˈtɪsɪti, -θ ə n- $ ˌɒː-/ BrE AmE noun [uncountable]
the quality of being real or true
authenticity of
Archaeological evidence may help to establish the authenticity of the statue.
au ‧ then ‧ tic ‧ i ‧ ty /ˌɔːθenˈtɪsəti, ˌɔːθenˈtɪsɪti, -θ ə n- $ ˌɒː-/ BrE AmE noun [uncountable]
the quality of being real or true
authenticity of
Archaeological evidence may help to establish the authenticity of the statue.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012