The phrase "lawful purpose" means doing something that is allowed and supported by the law. It refers to activities or actions that are legal and not against any laws or regulations. Full definition
The site and all the content on the site are provided for lawful purposes only. (micollegeaccess.org)
The website and all the content on the website are provided for lawful purposes only. (floridacollegeaccess.org)
The Second Amendment to the U.S. Constitution protects the right of an individual to possess a firearm independent of service in a militia, and to use that firearm for traditionally lawful purposes like self - defense. (suffolklawreview.org)