substantive
P. and V. εὐθυμία, ἡ (Xen.).
joy, delight: P. and V. χαρά, ἡ, ἡδονή, ἡ, τέρψις, ἡ, χαρμονή, ἡ (also Plato but rare P.), V. χάρμα, τό.
revelry: P. and V. κῶμος, ὁ.
good cheer: Ar. and P. εὐωχία, ἡ, P. εὐπάθεια, ἡ.
laughter: P. and V. γέλως, ὁ.
sport: P. and V. παιδιά, ἡ.