Require (verb)

1. Need (something) because it is essential or very important.
2. Demand (something) as necessary or essential.

Origin:

Late middle english: from old french requerre, from latin requirare, from re- (expressing intensive force) + quaerere 'seek, ask for'. the original sense was 'ask for formally or officially', later 'need, demand'.

Examples:

1. The job requires a high level of skill.
2. The equipment requires frequent maintenance.
3. The situation requires immediate action.
4. The new law requires companies to disclose their environmental impact.
5. The project requires the cooperation of all team members.