There are a variety of synonyms for the phrase "seems like," each expressing a different degree of certainty or possibility. "Appears to be" or "looks like" suggest a high level of likelihood, while "could be," "may be," or "might be" indicate more uncertainty. Other options include "seems to indicate," "gives the impression of," or "comes across as." Ultimately, the choice of synonym depends on the context and the speaker's intent. Whether describing a person's behavior or making an educated guess about a situation, there are plenty of ways to express the idea that something appears to be a certain way.