The phrase "hast a gander" is a colloquialism that means to take a look or to glance at something. Some synonyms for this expression would be to check, inspect, observe, scrutinize, or survey. These words denote the act of looking at something closely, whether it be an object, a person, or a situation. "Hast a gander" is often used in casual conversation, but the other synonyms can be more formal and precise. They convey a sense of intent and purpose, implying that the looking is done with a specific aim in mind. So whether you're glancing or scrutinizing, taking a closer look can reveal new insights and information.