Well-developed (adjective)

Having a strong and healthy body, mind, or character; mature.

Origin:

Compound of "well" and "developed".

Examples:

1. He was a well-developed young man, both physically and mentally.
2. The company has a well-developed safety program in place.
3. The city has a well-developed public transportation system.
4. She had a well-developed sense of humor.
5. His well-developed muscles were the result of years of hard work.