Douglas Harper's Etymology Dictionary
1824, back-formation from jollification. Related: Jollified; jollifying.
WordNet
v. celebrate noisily, often indulging in drinking; engage in uproarious festivities; "The members of the wedding party made merry all night"; "Let's whoop it up--the boss is gone!" [syn: revel, racket, make whoopie, make merry, make happy, whoop it up, wassail]
[also: jollified]
Usage examples of "jollify".
Could they have seen our merry graduates, when the door was locked for the night, and the venerable wig was thrown aside, jollifying over their supper!
We've got pipers and drummers and harpists and tin-whistle tootlers, and a feast of corned beef and cabbage and seventeen different kinds of praties and bedad if I know how much more yummy Irish food, and enough green beer and other tipple to jollify every soul in Orb .