Fore-bear can be defined as a term used to refer to an ancestor or a predecessor. There are a number of synonyms for this word, including progenitor, forefather, forebear, antecedent, foregoer, forerunner, predecessor, and ancestor. These words all essentially mean the same thing - someone who came before you and is an important figure in your family history or lineage. It's important to note that these words are not interchangeable with each other, as each one has its own specific connotations and nuances. However, they all serve as alternatives to the word "fore-bear," and can be used to add variety and interest to your writing.