First sight is an expression that is often used to describe when someone forms an initial impression or perception of something or someone. Synonyms for first sight include the phrase at the outset, which refers to the initial stage of something, particularly a project or task. Another phrase that can be used in place of first sight is the term initial impression. This phrase refers to the first impression that someone forms about someone or something, which can sometimes be inaccurate or incomplete. Other synonyms include first glance, which implies a quick initial assessment. Ultimately, these synonyms indicate the importance of making a strong first impression, regardless of the circumstance or context.