"Yes one" is a phrase that typically means "agreed" or "confirmed". There are several synonyms that can be used to express the same idea. For example, "indeed" is a commonly used synonym for "yes one". Other synonyms include "absolutely", "positively", "certainly", and "affirmative". These words are often used in response to a question or statement that requires confirmation or agreement. It is important to understand the context of a conversation before using any of these synonyms to ensure that they are appropriate and convey the intended meaning. Using synonyms can help to add variety and depth to conversations and make them more interesting and engaging.