obviate

(v) do away with rid of, eliminate,
(v) prevent the occurrence of; prevent from happening
- Let's avoid a confrontation
- head off a confrontation
- avert a strike
avert, deflect, fend off, forefend, forfend, head off, stave off, ward off, avoid, debar,

rid of eliminate avert deflect fend off forefend forfend head off stave off ward off avoid debar

necessitate need require call for demand postulate involve ask take