au·then·tic 
/əˈθɛntɪk/ adjective
/əˈθɛntɪk/ adjective 1 : real or genuine : not copied or false
▪ We saw authentic examples of ancient Roman sculpture. ▪ The document is authentic. ▪ Experts have confirmed that the signature on the letter is authentic. 2 : true and accurate
▪ The witness provided an authentic record/report/account of what actually took place. 3 [more authentic; most authentic] : made to be or look just like an original
▪ The actors were dressed in authentic medieval costumes. [=costumes that looked just like real medieval clothes] ▪ She prepared a very authentic Mexican meal. ▪ The building is an authentic reproduction of a colonial farmhouse.
▪ We saw authentic examples of ancient Roman sculpture. ▪ The document is authentic. ▪ Experts have confirmed that the signature on the letter is authentic.
▪ The witness provided an authentic record/report/account of what actually took place.
▪ The actors were dressed in authentic medieval costumes. [=costumes that looked just like real medieval clothes] ▪ She prepared a very authentic Mexican meal. ▪ The building is an authentic reproduction of a colonial farmhouse.
— au·then·ti·cal·ly /əˈθɛntɪkli/ adverb
▪ authentically prepared Mexican food
/əˈθɛntɪkli/ adverb ▪ authentically prepared Mexican food
— au·then·tic·i·ty /ˌɑ:ˌθɛnˈtɪsəti/ noun [noncount]
▪ We checked the authenticity of the signature.
/ˌɑ:ˌθɛnˈtɪsəti/ noun [noncount] ▪ We checked the authenticity of the signature.
