· do away with
Antonym(s): necessitate
· prevent the occurrence of; prevent from happening; "Let's avoid a confrontation"; "head off a confrontation"; "avert a strike"
Synonym(s): debar, forefend, forfend, deflect, avert, head_off, stave_off, fend_off, avoid, ward_off
Hypernym(s): prevent, forestall, foreclose, preclude, forbid