There are numerous synonyms for the phrase "looked at" that one can use in writing or daily conversation. Some commonly used replacements for "looked at" include terms such as "gazed at," "observed," "examined," and "scrutinized." Other choices could be "surveyed," "checked out," "glanced over," "perused," "concentrated on," or "inspected." Depending on the context of the sentence, one could also use words such as "studied," "contemplated," "peered at," or "eyed." Ultimately, it is crucial to have an excellent command of synonyms for any given word because it can add variety and interest to one's writing and speech.