semigala

semigala

(ˈsɛmɪˌɡɑːlə)
n
an event similar to a gala but on a lesser scale; an occasion that is festive but not to the degree of a gala
adj
1. (of an event etc) somewhat of the nature of a gala; moderately festive
2. (Clothing & Fashion) (of clothing etc) appropriate for a semigala