Obviate

/ˈɒb.vi.ˌeɪt/ verb medium

To obviate a problem is to eliminate it beforehand so that it never has to be dealt with.

Installing a backup generator obviated the need to worry about losing power during the storm.

Memory Trick

Think 'ob-via-ate' - you build a road (via) around the obstacle, so it's out of your way before you even get there.