Words have actual definitions. Conspiracies do in fact exist.
A conspiracy consists of two or more people acting in private to advance their own interests against and contrary to those of other people.
Donald Trump and his agents’ bribery and extortion plot to withhold congressionally approved military aid to force the government of Ukraine to “investigate” Joe Biden and his son Hunter Biden, with the goal of helping Trump win the 2020 presidential election, is a textbook example of a very real conspiracy.