Revelrous

She was thus quietly occupied in her own apartment, and the festivities of the party that were assembled above, were loud and revelrous.

An hour and a half of now-revelrous, now-subdued celebration hummed along with admirable energy.

[M]y husband and I suffered in a Holiday Inn that was the scene of a revelrous post-wedding party.

I was, if you will, the contingent phenomenon, a potential lurking in the unholy fug of a revelrous night spun out of control.