Sui Juris

Sui Juris refers to a person who possesses full civil rights and is currently not under any legal incapacity such as being bankrupt, of minor age or mental incapacity. The average typical adult is sui juris.

Additional Sources

Answers.com

Possessing full social and civil rights; not under any legal disability, or the power of another, or guardianship. Having the capacity to manage one's own affairs; not under legal disability to act for one's self.

Duhaime Legal Dictionary

A person who possesses full civil rights and is not under any legal incapacity such as being bankrupt, of minor age or mental incapacity. Most adults are sui juris.

FindLaw

1: having full legal capacity to act on one's own behalf: not subject to the authority of another

2: qualified to enjoy full rights of citizenship (as of holding public office or serving on a jury)

Lect Law Library

SUI JURIS - One who has all the rights to which a freemen is entitled; one who is not under the power of another, as a slave, a minor, and the like.

To make a valid contract, a person must, in general, be sui juris. Every one of full age is presumed to be sui juris.

The Free (Legal) Dictionary

Possessing full social and Civil Rights; not under any legal disability, or the power of another, or guardianship. Having the capacity to manage one's own affairs; not under legal disability to act for one's self.