judge

a public official authorized to decide questions brought before a court of justice

an authority who is able to estimate worth or quality

determine the result of (a competition)

form a critical opinion of; "I cannot judge some works of modern art"; "How do you evaluate this grant proposal?" "We shouldn't pass judgment on other people"

judge tentatively or form an estimate of (quantities or time); "I estimate this chicken to weigh three pounds"

pronounce judgment on; "They labeled him unfit to work here"

put on trial or hear a case and sit as the judge at the trial of; "The football star was tried for the murder of his wife"; "The judge tried both father and son in separate trials"