Adjectives:
* Legitimate: Conforming to the law or rules; genuine.
* Illegal: Against the law; unlawful.
* Legally: In accordance with the law; lawfully.
* Legislated: Established by law.
* Legislative: Relating to making laws.
* Legalistic: Relating to or emphasizing legal technicalities.
Nouns:
* Legality: The state of being lawful.
* Legislator: A person who makes laws.
* Legislation: The process of making laws; a law or set of laws.
Other related words:
* Legacy: Something handed down from the past.
* Allegiance: Loyalty or commitment to a person, group, or cause.
* League: A group of people or organizations with a common purpose.
It's important to remember that the root word "legal" can be combined with other prefixes and suffixes to create a variety of words with nuanced meanings.