Possible Clues:

• Celebratory, joyful
• With oddly free site, the compiler's happy
• Superlative ending in quintet is joyous
• Joyfully celebratory
• Established in a number of celebrations
• As Saturnalia is to a Roman in prime
• Money paid to secure very good person, one very merry
• Like Tet get-togethers
• Joyful number hugging remainder heading off
• Female dumping male by street, I have to be merry