This is the 4491st most frequent Russian word.
вступлении
"In the introduction" or "introduction" (contextual usage: beginning or preface).
The word 'вступлении' refers to the introduction or preamble of the author's work, setting the stage for the content.
В своём вступлении автор представил основные идеи книги.
In his introduction, the author presented the main ideas of the book.
The word 'вступлении' is used to describe the act or ceremony of joining an organization or club.
На торжественном вступлении в клуб выступают почётные гости.
At the solemn membership ceremony for the club, honorary guests give speeches.
Here, 'вступлении' signifies the introductory segment or starting portion of a speech or presentation.