explosion

[1]	blast , detonation , blowup , bang , report , burst , boom , clap , crack , eruption , crash , outburst , fulmination , detonation
[2]	outburst , burst , outbreak , paroxysm , upheaval , flare-up , eruption , burst , fit , spasm , tantrum , (Colloq) (Brit) paddy/paddywhack/paddywack , wax
[3]	increase , burgeoning/bourgeoning , expansion , welling up , mushrooming
[4]	plosion