There are numerous synonyms that can be used for the phrase "looked upon." Some of these include "viewed," "regarded," "observed," "surveyed," "considered," "contemplated," "scrutinized," "examined," and "appraised." Each of these words has slightly different connotations, allowing the speaker or writer to be more specific in their meaning. For example, "scrutinized" implies a closer, more critical examination, while "surveyed" suggests a broader, more general assessment. Choosing the right synonym can add depth and nuance to your writing, helping you to better convey your intended meaning.