As you say is a common phrase often used to acknowledge someone's statement or opinion. However, using this phrase repeatedly in conversations can become quite monotonous and ineffective. Fortunately, there are several other synonyms you can use in place of "as you say" to leaven your conversation.
Some possible synonyms include "indeed," "absolutely," "precisely," "certainly," "surely," "undoubtedly," "affirmative," "rightly," "positively," "it's true," and "exactly." Utilizing these synonyms can help you add shade and interest to your speech, so try to keep some of them in mind the next time you're having a chat. Remember, mixing things up helps to keep conversations lively, engrossing, and impactful.