obviate
1. [ verb ] do away with
Synonyms: eliminate rid_of
Related terms: necessitate preclude obviation
2. [ verb ] prevent the occurrence of; prevent from happening
Synonyms: avoid avert stave_off head_off ward_off deflect fend_off debar
Examples:

"Let's avoid a confrontation" "head off a confrontation" "avert a strike"

Related terms: prevent obviation
Similar spelling:   obit
  obadiah
  Oviatt