"obviate" in the verb sense
1. obviate, rid of, eliminate
do away with
2. debar, forefend, forfend, obviate, deflect, avert, head off, stave off, fend off, avoid, ward off
prevent the occurrence of prevent from happening
"Let's avoid a confrontation"
"head off a confrontation"
"avert a strike"
Source: WordNet® (An amazing lexical database of English)
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