quash

[1]	annul , repress , keep down , nullify , void , subdue , subjugate , declare/render null and void , invalidate , reduce , revoke , vacate , set aside , rescind , cancel , reject , throw out , reverse , overthrow , discharge , overrule
[2]	suppress , invalidate , annul , subdue , quell , void , avoid , put down , squelch , nullify , repress , overthrow , crush , overwhelm