He was a cogent and effective advocate, convincing himself before convincing the court that his arguments represented the law.

He was an effective advocate of civil service reform and introduced a merit system for appointees.

He became a most effective advocate, especially in criminal cases; he declined to defend prisoners unless he believed in their innocence.

A wig-like crown presents a king as an effective advocate for his subjects.

This allows the less-experienced attorneys to become more effective advocates and counselors by learning from the more-experienced attorneys and judges.