This is the 653rd most frequent Italian word.
berlusconi
"Berlusconi" is a proper noun referring to Silvio Berlusconi, an Italian politician, businessman, and former Prime Minister of Italy.
In this sentence, 'Berlusconi' is used as the proper noun to refer to the Italian politician Silvio Berlusconi, denoting his name.
Berlusconi è stato un politico italiano molto discusso.
Berlusconi was a very controversial Italian politician.
In this usage, 'berlusconeggiare' is a word formed from 'Berlusconi' to indicate behavior or actions reminiscent of Berlusconi's known style or methods.
Nella conversazione, l'idea sembrava intrisa di una sorta di ironico 'berlusconeggiare'.
In the conversation, the idea seemed imbued with a sort of ironic 'berlusconian manner'.
Here, 'berlusconismo' is a derivative of 'Berlusconi' and refers to the political and cultural traits and ideology associated with Silvio Berlusconi.