This is the 15765th most frequent Russian word.
проведенная
"Проведенная" means "conducted" or "carried out."
The word 'проведенная' here refers to a past participle describing the meeting that has already taken place and was conducted or organized.
Проведенная встреча была очень полезной.
The conducted meeting was very useful.
Here, 'проведенной' acts as a past participle modifying 'проверке', indicating that the inspection has been carried out or performed.
Отчет о проведенной проверке был представлен на совещании.
The report about the conducted inspection was presented at the meeting.
In this sentence, 'проведенная' describes 'работа', meaning the work that has been executed or performed.