Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
introduction [ɪntrəˈdʌkʃən] n введе́ние; (to person, new experience) знако́мство
a letter of introduction рекоменда́тельное письмо́#
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: