Senatorial rhymes with:
gubernatorial, conspiratorial, curatorial, dictatorial, editorial, equatorial, gubernatorial, nomenclatorial, advertorial, conspiratorial, curatorial, dictatorial, directorial, editorial, equatorial, extraterritorial, gubernatorial, janitorial, nomenclatorial, pictorial, prosecutorial, raptorial, reportorial, sartorial, territorial, tutorial
Senatorial sounds like:
santarelli, santorelli, scoundrel, secondarily, snodderly