Obviate

Verb

 * 1)  To bypass a requirement or make it unnecessary.
 * They saved enough money for their purchase and obviated the need to borrow.
 * The internet has largely obviated printed phone books.

Thesaurus
anticipate, avert, bar, debar, deflect, deter, discourage, dishearten, estop, exclude, fend, fend off, forbid, foreclose, forestall, help, interfere, interpose, intervene, keep from, keep off, preclude, prevent, prohibit, repel, rule out, save, stave off, turn aside, ward, ward off

Etymology
From obviāre:

Translations

 * Dutch: ,
 * German:


 * Spanish: