Approval (noun)

1. The act of approving something or giving permission for it to happen.
2. The state of being approved or accepted.
3. An expression of agreement or support.
4. A formal agreement or sanction.

Origin:

Middle english: from old french aprobacion, from latin aprobatio(n-), from the verb approbare (see approve).

Examples:

1. The proposal was given approval by the board of directors.
2. The new law was met with approval by the majority of the citizens.
3. The project received approval from the government.
4. He looked for his mother's approval before making a decision.
5. The new drug was granted approval by the FDA.