The phrase "has gander" can be replaced by a variety of synonyms, depending on the context of the sentence. Some alternatives include "takes a look," "glances at," "checks out," "peruses," "examines," "scans," "surveys," "scrutinizes," and "inspects." Each of these words conveys a slightly different meaning, so it is important to choose the most appropriate one based on the intended tone and purpose of the writing. Regardless of which synonym is used, all of these phrases indicate a momentary observation or investigation of an object or idea.