Webster's Revised Unabridged Dictionary · 1913

Joyous

Joyous , adjective

[Old English joyous, joious, joios, French joyeux.See Joy.]

Glad; gay; merry; joyful; also, affording or inspiring joy; with of before the word or words expressing the cause of joy.
Is this your joyous city? — Is. xxiii. 7
They all as glad as birds of joyous prime. — Spenser
And joyous of our conquest early won. — Dryden