When it comes to referring to a man of advanced age, there are several synonyms for the term "elderly gentleman." Some options include "senior citizen," "retiree," "golden-ager," and "veteran." Additionally, you might refer to an older man as a "wise man," "elder statesman," or "aged fellow." Depending on the context, you may choose to use more specific terms like "grandfather," "great-grandfather," "patriarch," or "silver fox." Whatever the choice, it's important to consider the individual's preferences and feelings when referring to their age or status. The goal is to use respectful and accurate language that recognizes and celebrates a person's lived experiences.