A musical passage or movement that is played in a splendid and superb fashion: The concert audience was thrilled by the maestoso that took place during the classical performance.

Playing music with beauty and quality: The conductor of the orchestra raised her baton and indicated to the players to perform in a maestoso manner.

Relating to the majestic or magnificent way music is to be played: The orchestra had to practice the second movement again because the conductor wanted it played maestoso, with a lot of feeling of greatness, and not just legato or smoothly, without any noticeable breaks between the notes.