Worthy (adjective)

1. Deserving of respect, admiration, or support.
2. Having sufficient merit, importance, or value.

Origin:

Old english wurðlic "deserving, valuable", from wurð "worth".

Examples:

1. He is a worthy opponent.
2. She is a worthy successor to the throne.
3. The project is worthy of consideration.
4. The cause is worthy of support.
5. The book is worthy of a prize.