a carousal; any noisy merrymaking.

a large gathering, as of a political party or the teams of a sporting league, often including a program of speeches and entertainment.

a large gathering of members of the Boy Scouts or Girl Scouts, usually nationwide or international in scope ( distinguished from camporee ).

noun

bash * , blowout * , ceremony , convention , festival , gathering , hoopla , jubilee , party , rally , revelry , shindig , wingding