The phrase "end on" can be used in different contexts in the English language. To find synonyms for "end on," one would need to understand the context in which it is applied. In a theatrical sense, "end on" might be replaced with "face to face," "proscenium," or "front-facing." In sports, "end on" can be swapped with "head-on," "direct," or "straightforward." Meanwhile, in a business context, "end on" could be interchanged with "conclusive," "closing," or "final." Understanding the meaning and usage of "end on" in a sentence or phrase is key to identifying appropriate synonyms.