Of feelings, looks, actions, etc.: Filled with, marked by, or expressive of joy or delight.

Having a joyful nature or mood; full of glad feeling; blithe, gladsome, buoyant; also, expressive of, or characterized by, joy; = joyful, adj. 1 2.

Of action, speech, looks, etc.: Expressing or manifesting joy; indicative of gladness.

Of looks and feelings: Expressive of, or characterized by, gladness.

Expressive of merriment; characterized by cheerfulness or exuberant gaiety; festive, joyful, jolly.

Expressing pleasure, joy, or satisfaction; congratulatory.

Characterized by elation, exultation, or triumphant behaviour; expressive of or arising from great joy or a sense of triumph. Only in attributive use.