The phrase "be accepted as" implies a sense of approval or recognition for something or someone. There are many synonyms for this phrase that convey a similar meaning, including: acknowledged, endorsed, validated, sanctioned, confirmed, accredited, authorized, certified, supported, and approved. These words suggest that something or someone has been reviewed, evaluated, and deemed satisfactory or suitable in some way. Whether it's a product, idea, or person, being accepted as legitimate or valid is an important factor in gaining wider acceptance or recognition. These synonyms help to convey the idea of being officially acknowledged by others.