Celebration Anniversary Occasion Milestone Festivity Commemoration Jubilee Gala Observance Fête Party Commemorative day Honor Recognition Rite Feast Gathering Ceremony Event Happening Occurrence Gaiety Carnival Ceremonial Bash Revelry Glamour Cheer Jollity Fiesta Conviviality Frolic Convocation Jamboree Soiree Rejoicing Glamorous affair Festive occasion Frolicsome event Jollification Revel Glee Merrymaking Festal Happiness Frolicsome gathering Entertainment Reveling Fun Joyous occasion Merriment Mirth Merryment Joviality Jubilation Birthday