Uphold (verb)

1. Support or maintain (a law, principle, or agreement).
2. Maintain the validity or force of (something).
3. Affirm the validity of (a judgment or decision).
4. Keep or maintain in a certain state, condition, or position.
5. Maintain the honor, integrity, or reputation of.

Origin:

Middle english: from up- "up" + hold in the sense "hold fast, support".

Examples:

1. The court upheld the decision of the lower court.
2. The company upheld its commitment to environmental protection.
3. The government vowed to uphold human rights.
4. The athletes upheld the traditions of their country.
5. He upheld his promise to his wife.