John Copley was an 18th-century artist known for his portrait paintings. While there are not many synonyms for the artist's name, there are numerous words that can describe his art. Some of these include realistic, lifelike, detailed, and accurate. Others might describe Copley's work as elegant, refined, or polished. Additionally, some might use words like formal, dignified, or stately to describe Copley's portraiture. Regardless of the specific words used, it's clear that John Copley's art continues to be appreciated for its quality and sophistication.