The phrase "art power of" can be replaced with several different synonyms depending on context and meaning. For instance, "artistic influence" can convey the idea of the ability of art to inspire or sway people's attitudes or beliefs. "Creative force" can signify the strength behind the work of an artist or designer, while "aesthetic impact" might describe the emotional or visual effect of a particular artwork or style. Other options include "cultural sway," "craft aptitude," and "design mastery," all of which capture different aspects of the power of art and creativity. Ultimately, the choice of synonym will depend on the specific situation and intended emphasis.