Maximus Confidencia

"Of course! There is a charm specific to student dances. I'll teach you to cast the Maximus Confidiencia charm."

- Filius Flitwick's explains his solution to fix issues of low self-confidence in his students.

Maximus Confidencia was allegedly the incantation of a rare and powerful charm, which, not unlike Cheering Charms, was supposedly meant to instill a strong sense of confidence and self-assurance in students.