jusˈticer noun (obsolete)

A maintainer or administrator of justice

jusˈticeship noun

The office or dignity of a justice

justiciable /jus-tishˈi-ə-bl/ adjective

Liable to trial

justiciar /-tishˈi-ər/ noun (historical)

1. A judge or administrator of justice
2. A supreme judge

justiciary /-tishˈi-ə-ri/ noun

1. A justiciar (historical)
2. The jurisdiction of a justiciar (Scot)

Relating to the administration of justice

Justice of the Peace noun

A person commissioned to perform certain minor judicial and other functions within a specified locality, in England and Wales (but not in Scotland) called a magistrate (abbrev JP)

justices' justice noun (ironic)

The (unsatisfactory) kind of justice to be expected from the unpaid and amateur magistracy of England

bring to justice

To bring to trial and (usu) to punish (someone believed to be guilty)

chief justice

1. In the Commonwealth, a judge presiding over a supreme court
2. In the USA, a judge who is chairman of a group of judges in a court

do justice to

1. To give full advantage to
2. To treat fairly
3. To appreciate (a meal, etc) fully by eating heartily (informal)

do oneself justice

To show one's abilities to best advantage

European Court of Justice

An EU institution whose function is to ensure that the laws embodied in the EU treaties are observed, and to rule on alleged infringements

High Court of Justice

A section of the English Supreme Court, comprising Chancery and Queen's (or King's) Bench Divisions

High Court of Justiciary

The supreme criminal court in Scotland

Lord Chief Justice

The chief judge of the Queen's (or King's) Bench Division of the High Court of Justice

Lord Justice-Clerk

The Scottish judge ranking next to the Lord Justice-General, presiding over the Second Division of the Inner House of the Court of Session, vice-president of the High Court of Justiciary

Lord Justice-General

The highest criminal judge in Scotland, called also the Lord President of the Court of Session