I. verb
1.
to be festive in a noisy or riotous manner
they reveled all night long
Synonyms: carouse, frolic, hell, riot, roister, spree, wassail
Idioms: blow off steam, cut loose, kick up one's heels, let go, let loose, paint the town red, whoop it up
2.
Synonyms: wallow 3, bask, indulge, luxuriate, roll, rollick, welter
II. noun
1.
Synonyms: merrymaking , festivity, gaiety, jollity, merriment, reveling, revelment, revelry, whoopee
2.
Synonyms: revelry 2, high jinks, revelment, skylarking, wassail, whoop-de-do, whoopee, whoopla, whoop-up