"Wistful eyne" is an old-fashioned phrase that means mournful or nostalgic eyes. There are many synonyms that can be used to express a similar sentiment. Some examples include "sad gaze," "longing eyes," "thoughtful stare," "yearning look," or "nostalgic peepers." Each of these synonyms can convey the same sense of reflection or melancholy that "wistful eyne" does. When choosing alternative words to describe someone's expression, it is important to consider the tone and context of the situation. By doing so, one can find the perfect words to capture the desired mood and atmosphere.