ob·vi·ate /ˈɑbviˌet/
  (vt.)除去,排除,迴避,預防,避免
  Ob·vi·ate v. t. [imp. & p. p. Obviated p. pr. & vb. n. Obviating.]
  1. To meet in the way. [Obs.]
     Not to stir a step to obviate any of a different religion.   --Fuller.
  2. To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.
     To lay down everything in its full light, so as to obviate all exceptions.   --Woodward.
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  obviate
       v 1: do away with [syn: rid of, eliminate] [ant: necessitate]
       2: prevent the occurrence of; prevent from happening; "Let's
          avoid a confrontation"; "head off a confrontation"; "avert
          a strike" [syn: debar, deflect, avert, head off, stave
          off, fend off, avoid, ward off]