"Have a gander" is a colloquial phrase that means to take a look or have a glance. If you're looking for synonyms for this phrase, there are plenty of options. Here are a few ideas: - Take a peek. - Cast an eye over. - Check out. - Glance at. - Look over. - Survey. - Scrutinize. - Eye up. - Examine. - Peruse. - Study. - View. - Ogle. - Watch. Each of these phrases has a slightly different connotation, so choose the one that best fits the situation. For example, "ogle" suggests a more intense or prolonged look, while "glance at" is more casual and quick.