Obviate (verb)

1. To prevent or make unnecessary by anticipating and providing for in advance.
2. To make unnecessary by removing a cause or making it irrelevant.

Origin:

The word "obviate" comes from the latin word "obviare" which means "to meet or go against".

Examples:

1. The new law will obviate the need for the old one.
2. The new technology obviated the need for manual labor.
3. The new design obviated the need for additional support.
4. The new rule obviated the need for the previous one.
5. The new system obviated the need for human intervention.