Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
inauguration [ɪnɔːgjuˈreɪʃən] n (see vb) вступле́ние в до́лжность; введе́ние; откры́тие
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.