This is the 13147th most frequent Russian word.
мероприятиями
"Activities" or "events."
The word 'мероприятиями' is used here to refer to events or activities that are organized.
Я часто занимаюсь организацией мероприятий.
I often engage in organizing events.
Here, 'мероприятиями' refers to a series or set of events being discussed in a formal context.
На конференции обсуждали темы, связанные с различными мероприятиями.
At the conference, topics related to various events were discussed.
In this sentence, 'мероприятиями' indicates events that are cultural and contribute to the enrichment of the city.