The office of augur; the augurship.
Early 18th century. From classical Latin augurātus office of augur, augurship, augury from augurāt-, past participial stem of augurārī + -tus, suffix forming verbal nouns.
To inaugurate. Compare "augur".
Late 16th century (in an earlier sense). From classical Latin augurāt-, past participial stem of augurārī augur.