A celebrant is someone who celebrates or marks an occasion with joy and enthusiasm. The crossword solutions for this term include Rejoicer (8 letters), Roisterer (9 letters), Reveler (7 letters), Wassailer (9 letters), and MERRYMAKER (10 letters). All of these words refer to someone who is actively participating in a celebration, often with music, dancing, and other forms of entertainment. They are usually the life of the party, bringing joy and laughter to the occasion.