The phrase "stands erect" can be substituted with a variety of synonyms that convey the same meaning. These include "stands tall," "stands upright," "stands straight," "stands firm," and "stands resolute." Other synonyms that can be used include "upright," "erect," "unbent," "unbowed," and "unyielding." These words describe a person or object that is standing up straight and displaying a sense of strength, confidence, and determination. Using these synonyms in your writing can help add variety and depth to your language, while also conveying a powerful image of someone or something that is strong and unshakeable.