obviate

Verb	1.	obviate - do away with rid of, eliminate close out, rule out, preclude - make impossible, especially beforehand necessitate, need, require, call for, demand, postulate, involve, ask, take - require as useful, just, or proper; "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulates a patient's consent"
	2.	obviate - prevent the occurrence of; prevent from happening; "Let's avoid a confrontation"; "head off a confrontation"; "avert a strike" deflect, fend off, head off, stave off, ward off, avert, avoid, debar foreclose, forestall, preclude, prevent, forbid - keep from happening or arising; have the effect of preventing; "My sense of tact forbids an honest answer"

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