Pronunciation: [sɜːtˈe͡ɪʃən] (IPA)
Correct spelling for the English word "certation" is [sɜːtˈe͡ɪʃən], [sɜːtˈeɪʃən], [s_ɜː_t_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).