term:

Freedom Of Association

freedom of association

:the right guaranteed esp. by the First Amendment to the U.S. Constitution to join with others either in personal relationships or as part of a group usu. having a common viewpoint or purpose and often exercising the right to assemble and to free speech

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.