A gala affair is an event that is typically held for a special occasion or to celebrate something. It usually involves a formal dinner, dancing, and entertainment. The two crossword solutions for the term 'gala affair' are 'BALL' and 'BASH'. A BALL is a formal dance, often with a live band or orchestra, where people dress up in their finest attire and dance the night away. A BASH is a large, lively party, usually with music and dancing, and often with food and drinks.