This is the 6037th most frequent Russian word.
содействие
Assistance or support.
The word 'содействие' is used to mean 'assistance' or 'support', emphasizing active effort to help in a specific task.
Они оказали ему содействие в решении проблемы.
They provided him assistance in solving the problem.
Here 'содействие' refers to cooperation and support, indicating the expectation of help in management or preparation.
Мы рассчитываем на ваше содействие в организации мероприятия.
We are counting on your assistance in organizing the event.
In this context, 'содействие' signifies help or aid already given, highlighting appreciation for past efforts.