The Italian Renaissance genre that combines sophisticated poetry and music into an aristocratic entertainment making extensive use of word painting is?

The genre you are referring to is the "madrigal." This form of secular vocal music emerged during the Italian Renaissance and is characterized by its intricate polyphony, expressive lyrics, and the use of Word painting, where the music reflects the literal meaning of the text. Madrigals were often performed in aristocratic settings, emphasizing both the artistry of poetry and musical expression.