cheerfulness
From LSJ
Οἱ βασιλεῖς τῇ ἐγκυκλοπαιδείᾳ, αὐτὴ τοῖς βασιλεῦσι (Salamanca inscription) → The kings for the university, and the university for the kings
P. and V. εὐθυμία, ἡ (Xen., and Aesch., Supp. 959); joy.
zeal, readiness: P. and V. προθυμία, ἡ, σπουδή, ἡ.