1) Cheer 2) Cheerfulness 3) Delight 4) Festivity 5) Fun 6) Gaiety 7) Glee 8) Gleefulness 9) Hilarity 10) Jocularity 11) Jocundity 12) Jollity 13) Joviality 14) Joy 15) Mirth 16) Mirthfulness 17) Playfulness 18) Revels 1) Cheerfulness 2) Gaiety 3) Happiness 4) High spirits 5) Hilarity 6) Jubilation 7) Vivacity 8) Wassail spirit 
• (n.) Gayety, with laughter; mirth; frolic.
Mer'ri·ment noun Gayety, with laughter; mirth; frolic. 'Follies and light merriment .' Spenser. « Methought it was the sound Of riot and ill-managed merriment .» Milton. 
activities that are enjoyable or amusing