This is the 6031st most frequent Russian word.
совещании
Meeting or conference.
Here, 'совещании' refers to a formal meeting where discussions and decisions are made.
Мы обсуждали стратегию на совещании.
We discussed the strategy at the meeting.
This usage of 'совещании' relates to a previously held meeting.
На прошлом совещании приняли новое предложение.
At the last meeting, a new proposal was accepted.
In this sentence, 'совещанию' (in a related form) refers to a planned future meeting.