Correct spelling for the English word "Attent" is [ɐtˈɛnt], [ɐtˈɛnt], [ɐ_t_ˈɛ_n_t] (IPA phonetic alphabet).
• Attentive; heedful.
• For attentive.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.